Conditions : Perfect cube #’s ( 1, 8, 27, 64, 125, … ) Perfect cube exponents ( 3, 6, 9, 12,15,...
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Transcript of Conditions : Perfect cube #’s ( 1, 8, 27, 64, 125, … ) Perfect cube exponents ( 3, 6, 9, 12,15,...
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
2233
2233
babababa
babababa
Factoring – Sum and Difference of Cubes
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
278 3x
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
1st – find a and bEXAMPLE : Factor
278 3x
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
1st – find a and b
327
283
3 3
b
xxa
EXAMPLE : Factor
278 3x
- Take the cube root of the number and divide your exponent by 3…
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
1st – find a and b
2nd – fill in a and b in the top equation’s binomial part…
327
283
3 3
b
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
278 3x
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
1st – find a and b
2nd – fill in a and b in the top equation’s binomial part…
3rd – fill in the trinomial parts
327
283
3 3
b
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
278 3x
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
1st – find a and b
2nd – fill in a and b in the top equation’s binomial part…
3rd – fill in the trinomial parts
4th - simplify
327
283
3 3
b
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
278 3x
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
96 864 yx
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
96 864 yx 1st – find a and b
33 9
23 6
28
464
yyb
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
- Take the cube root of the number and divide your exponent by 3…
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
96 864 yx 1st – find a and b
2nd – place a and b into it’s binomial part…
33 9
23 6
28
464
yyb
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
96 864 yx 1st – find a and b
2nd – place a and b into it’s binomial part…
3rd – fill in the trinomial parts
33 9
23 6
28
464
yyb
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa
96 864 yx 1st – find a and b
2nd – place a and b into it’s binomial part…
3rd – fill in the trinomial parts
4th - simplify
33 9
23 6
28
464
yyb
xxa
Conditions : Perfect cube #’s ( 1 , 8 , 27 , 64 , 125 , … )
Perfect cube exponents ( 3 , 6 , 9 , 12 ,15 , … )
Separated by a plus OR minus sign
EXAMPLE : Factor
Factoring – Sum and Difference of Cubes
2233
2233
babababa
babababa