Subtract the sum of 5x²-6x+4 and -4x²-2x+3 from 0.
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14
Answer:
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Answered by
3
Answer:
{(2x²-3x+7)+(-5x²-6x-8)}-{(x+6)(4x-8)}
= (2x²-3x+7-5x²-6x-8)-(4x²-8x+24x-48)
= (2x²-5x²-3x-6x+7-8)-(4x²+16x-48)
= (-3x²-9x-1)-(4x²+16x-48)
= -3x²-9x-1-4x²-16x+48
= -7x²-25x+47
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