Factor
7x^{4}\left(6x^{10}+3x^{4}-2\right)
Evaluate
42x^{14}+21x^{8}-14x^{4}
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7\left(6x^{14}+3x^{8}-2x^{4}\right)
Factor out 7.
x^{4}\left(6x^{10}+3x^{4}-2\right)
Consider 6x^{14}+3x^{8}-2x^{4}. Factor out x^{4}.
7x^{4}\left(6x^{10}+3x^{4}-2\right)
Rewrite the complete factored expression. Polynomial 6x^{10}+3x^{4}-2 is not factored since it does not have any rational roots.
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