From the sum of 4x3-6x2+4x+7 and x3-2x2-x-4 subtract -x3+3x2-2x-5
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Step-by-step explanation:
(4×3-6×2+4x+7) + (x3-2×2-x-4)
= (12-12+4x+7) + (x3-4-x-4)
= (0+4x+7) + (x2-8)
=(0+4x+7) +(x2-8)
=4x+x2+7-8
=6x-1
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