Expand
3x^{2}+18x+98
Evaluate
3\left(x+3\right)^{2}+71
Graph
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3\left(x^{2}+6x+9\right)+71
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
3x^{2}+18x+27+71
Use the distributive property to multiply 3 by x^{2}+6x+9.
3x^{2}+18x+98
Add 27 and 71 to get 98.
3\left(x^{2}+6x+9\right)+71
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+3\right)^{2}.
3x^{2}+18x+27+71
Use the distributive property to multiply 3 by x^{2}+6x+9.
3x^{2}+18x+98
Add 27 and 71 to get 98.
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