Expand
2x^{2}+24x+71
Evaluate
2\left(x+6\right)^{2}-1
Graph
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2\left(x^{2}+12x+36\right)-1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+6\right)^{2}.
2x^{2}+24x+72-1
Use the distributive property to multiply 2 by x^{2}+12x+36.
2x^{2}+24x+71
Subtract 1 from 72 to get 71.
2\left(x^{2}+12x+36\right)-1
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+6\right)^{2}.
2x^{2}+24x+72-1
Use the distributive property to multiply 2 by x^{2}+12x+36.
2x^{2}+24x+71
Subtract 1 from 72 to get 71.
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