Question

$x {}^{4} + 2x {}^{2} - 3x + 7 - x {}^{3} + x {}^{2} + x - 1$
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Answer 1

Answer:

this is it..

Step-by-step explanation:

x⁴+2x²-3x+7-x3+x²-x+1

x⁴-x³+x²+2x²-3x-x+7+1

x⁴-x³+x²-4x+8 @ns..