Expand
\lambda ^{3}+6\lambda ^{2}+12\lambda +8
Evaluate
\left(\lambda +2\right)^{3}
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\lambda ^{3}+6\lambda ^{2}+12\lambda +8
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(\lambda +2\right)^{3}.
\lambda ^{3}+6\lambda ^{2}+12\lambda +8
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(\lambda +2\right)^{3}.
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