13. How much does 9x2 + 7x - 2 exceed 2x3 + 4x2 + 3x + 1 ?
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Step-by-step explanation:
Step-by-step explanation:
9x² + 7x - 2-(2x³+ 4x² + 3x + 1)
= 9x²+7x-2-2x³-4x²-3x-1
=-2x³+5x²+4x-3
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