Evaluate
\left(a-2b+2\right)\left(a-2b+5\right)
Expand
a^{2}-4ab+7a+4b^{2}-14b+10
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a^{2}-4ab+4b^{2}+7\left(a-2b\right)+10
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-2b\right)^{2}.
a^{2}-4ab+4b^{2}+7a-14b+10
Use the distributive property to multiply 7 by a-2b.
a^{2}-4ab+4b^{2}+7\left(a-2b\right)+10
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-2b\right)^{2}.
a^{2}-4ab+4b^{2}+7a-14b+10
Use the distributive property to multiply 7 by a-2b.
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