Evaluate
\left(x+2\right)^{2}+64
Expand
x^{2}+4x+68
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64+\left(x+2\right)^{2}
Calculate 8 to the power of 2 and get 64.
64+x^{2}+4x+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
68+x^{2}+4x
Add 64 and 4 to get 68.
64+\left(x+2\right)^{2}
Calculate 8 to the power of 2 and get 64.
64+x^{2}+4x+4
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
68+x^{2}+4x
Add 64 and 4 to get 68.
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Limits
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