From the sum of 4x⁴-3x³+6x²,4x³+4x-3 and -3x⁴-5x+2x subtract 5x⁴-7x³-3x+4
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I am not sure but check it I tried
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Answer is=4x⁴+8x³+x²+9x-7
Explanation
(4x⁴-3x³+6x²)+(4x³+4x-3)+(-3⁴-5x²+2x)
=4x⁴-3x³+6x²+4x³+4x-3-3x⁴-5x²+2x
=x³+x²+6x+x⁴-3
=x⁴+x³+x²+6x-3
(x⁴+x³+x²+6x-3)-(5x⁴-7x³-3x+4)
=x⁴+x³+x²+6x-3-5x⁴+7x³+3x-4
=4x⁴+8x³+x²+9x-7 Ans
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