Evaluate
3\left(x^{2}+1\right)
Expand
3x^{2}+3
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\left(x^{2}+1\right)\times 3
Divide x^{2}+1 by \frac{1}{3} by multiplying x^{2}+1 by the reciprocal of \frac{1}{3}.
3x^{2}+3
Use the distributive property to multiply x^{2}+1 by 3.
\left(x^{2}+1\right)\times 3
Divide x^{2}+1 by \frac{1}{3} by multiplying x^{2}+1 by the reciprocal of \frac{1}{3}.
3x^{2}+3
Use the distributive property to multiply x^{2}+1 by 3.
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