From the sum of 4x⁴-3x³+6x², 4x³+4x-3and-3x⁴-5x²+2x subtract 5x⁴-7x³-3x+4.
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Answer:
from the sun of 4x 3x 6x
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4x^4-3x^3+6x^2+4x^3+4x-3+(-3x^4-5x^2+2x)
=x^4+x^3+x^2+6x-3-(5x^4-7x^3-3x+4)
= -4x^4-6x^3+9x-7.
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