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Anonymous
4(x^2 + 2x + 8)
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(2x - 1)(2x + 5)
4(x^2 + 2x - 5)
No, it has factors... 4x2 + 8x -21 = (2x+7)(2x-3)
ANSWER: -4X2 -8X-4x (x+2)= (-4x * x) + (-4x*2)= -4X2 -8X
4(x^2 + 8x + 160)