Evaluate
x^{2}\left(7x^{2}+27\right)
Factor
x^{2}\left(7x^{2}+27\right)
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27x^{2}+7x^{4}
The opposite of -7x^{4} is 7x^{4}.
x^{2}\left(27+7x^{2}\right)
Factor out x^{2}. Polynomial 27+7x^{2} is not factored since it does not have any rational roots.
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