how to simplify

x4 -(x - 1)2 \ (x2 + 1)2 + x2 - (x2 -1)2 \ x2 (x +1)2 - 1 + x2 (x -1)2 -1 \ x4 -(x+1)2

1 Answers

Is it x⁶ + x⁵ + 2x⁴ + x³ + 4x² + x + 1
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x⁴ + x³ + 2x² + x + 1

if this is the right answer then i used this formula on both numerator and denominator wherever applicable....

a² - b² = (a + b).(a - b).....

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