Find the product
(x³-5x+8)(7-4x)
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Answer:
-x4+7x³+5x²+56
Step-by-step explanation:
7(x³-5x+8)-x(x³-5x-8x)
7x³-35x+56-x4-5x²-8x
-x4+7x³+5x²-43x+56
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