Factorize x^6 +2x^4 +6x -9
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Originally Posted by winsome Factorize x^6 +2x^4 +6x -9 $\displaystyle x^6 + 2x^4 + x^2 - x^2 + 6x - 9$ $\displaystyle (x^3 + x)^2 - (x^2 - 6x + 9)$ $\displaystyle (x^3 + x)^2 - (x - 3)^2$ Now factorize.
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