Evaluate
9x^{2}+126x+444
Factor
3\left(3x^{2}+42x+148\right)
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9x^{2}+126x+444
Add 441 and 3 to get 444.
3\left(3x^{2}+42x+148\right)
Factor out 3. Polynomial 3x^{2}+42x+148 is not factored since it does not have any rational roots.
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