Evaluate
-9x^{2}+60x-216
Factor
3\left(-3x^{2}+20x-72\right)
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-216-9x^{2}+60x
Calculate 6 to the power of 3 and get 216.
3\left(-72-3x^{2}+20x\right)
Factor out 3. Polynomial -72-3x^{2}+20x is not factored since it does not have any rational roots.
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