Example - Factoring Trinomials ***3.5***
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Factoring Trinomials by Mr. Northrup
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Transcript of Example - Factoring Trinomials ***3.5***
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Factoring Trinomialsby Mr. Northrup
![Page 2: Example - Factoring Trinomials ***3.5***](https://reader036.fdocuments.us/reader036/viewer/2022073117/557e25ddd8b42ad0098b474a/html5/thumbnails/2.jpg)
Directions: Factor into two binomials
x2 + 2x - 8
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x2 x x -1
-1-1
-1
-1
-1-1
-1x2 + 2x - 8
x x0 = 0 =
-x -x
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x2 x x
-1
-1-1
-1 -1
-1-1
-1
x2 + 2x - 8
x
-x
x
-x
(x - 2)
(x + 4)
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x2 + 2x - 8 = (x - 2)(x + 4)
Answer
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(x - 2)(x + 4)multiply x -2
x x2 -2x
4 4x -8x2 + 4x - 2x - 8 = x2 + 2x - 8(x - 2)(x + 4) = x2 + 2x - 8