Expand
x^{2}+4x+6
Evaluate
\left(x+2\right)^{2}+2
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x^{2}+4x+4+2
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
x^{2}+4x+6
Add 4 and 2 to get 6.
x^{2}+4x+4+2
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(x+2\right)^{2}.
x^{2}+4x+6
Add 4 and 2 to get 6.
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