From the sum of 4x4 - 3x3 + 6x2 , 4x3 + 4x – 3 and - 3x4 - 5x2 + 2x
subtract 5x4 - 7x3 - 3x + 4.
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Answer:
-4x⁴+8x³+x²+9x+1
Step-by-step explanation:
(4x⁴-3x³+6x²+4x³+4x-3-3x⁴-5x²+2x)-(5x⁴-7x³-3x+4)
x⁴+x³+x²+6x-3-5x⁴+7x³+3x+4
-4x⁴+8x³+x²+9x+1
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