Factor
x\left(3x+1\right)^{2}
Evaluate
x\left(3x+1\right)^{2}
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x\left(9x^{2}+6x+1\right)
Factor out x.
\left(3x+1\right)^{2}
Consider 9x^{2}+6x+1. Use the perfect square formula, a^{2}+2ab+b^{2}=\left(a+b\right)^{2}, where a=3x and b=1.
x\left(3x+1\right)^{2}
Rewrite the complete factored expression.
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