Factor
2\left(-9x^{4}-2x^{3}+162x^{2}-18x-729\right)
Evaluate
-18\left(x^{2}-9\right)^{2}-4x^{3}-36x
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2\left(-9x^{4}+162x^{2}-729-2x^{3}-18x\right)
Factor out 2. Polynomial -9x^{4}+162x^{2}-729-2x^{3}-18x is not factored since it does not have any rational roots.
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{ x } ^ { 2 } - 4 x - 5 = 0
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Matrix
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