simplify :(2x²+2x-8)(x-2)-(x³-3x+2)(x+4)
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Answer:
-x⁴ -2x³ + x² - 2x + 8
Step-by-step explanation:
(2x²+2x-8)(x-2)-(x³-3x+2)(x+4)
2x³ +2x² -8x -4x² -4x +16 - (x⁴ -3x² +2x +4x³ -12x +8)
2x³ +2x² -8x -4x² -4x +16 - x⁴ + 3x² - 2x - 4x³ + 12x - 8
-x⁴ -2x³ + x² - 2x + 8
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