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8 votes
Factor completely.
7x²+28r-35 =

1 Answer

5 votes


7x^2 +28x -35 \\\\=7(x^2 +4x - 5)\\\\=7(x^2 +5x -x -5)\\\\=7\left[ x(x+5) -(x+5) \right]\\\\=7(x-1)(x+5)

User Josh Knauer
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