Evaluate
3\left(h-2\right)^{2}
Expand
3h^{2}-12h+12
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3\left(4-4h+h^{2}\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-2+h\right)^{2}.
12-12h+3h^{2}
Use the distributive property to multiply 3 by 4-4h+h^{2}.
3\left(4-4h+h^{2}\right)
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-2+h\right)^{2}.
12-12h+3h^{2}
Use the distributive property to multiply 3 by 4-4h+h^{2}.
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Limits
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