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Demarion
Mathematics
4 September, 22:27
What is (x^2 - 5x-4) (-2x+4) simplified
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Austin Clements
4 September, 22:37
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=-2x^3 + 14x^2 - 12x - 16
Step-by-step explanation:
= (x^2 + - 5x + - 4) (-2x + 4)
= (x^2) (-2x) + (x^2) (4) + (-5x) (-2x) + (-5x) (4) + (-4) (-2x) + (-4) (4)
=-2x^3 + 14x^2 + 10x^2 - 20x + 8x - 16
=2x^3 + 14x^2 - 12x - 16
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