Factor
4\left(x^{3}+x^{2}-9x+9\right)x^{6}
Evaluate
4\left(x^{3}+x^{2}-9x+9\right)x^{6}
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4\left(x^{9}+x^{8}-9x^{7}+9x^{6}\right)
Factor out 4.
x^{6}\left(x^{3}+x^{2}-9x+9\right)
Consider x^{9}+x^{8}-9x^{7}+9x^{6}. Factor out x^{6}.
4x^{6}\left(x^{3}+x^{2}-9x+9\right)
Rewrite the complete factored expression. Polynomial x^{3}+x^{2}-9x+9 is not factored since it does not have any rational roots.
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