Evaluate
\left(y-2\right)^{2}+25
Expand
y^{2}-4y+29
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25+y^{2}-4y+4
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(y-2\right)^{2}.
29+y^{2}-4y
Add 25 and 4 to get 29.
25+y^{2}-4y+4
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(y-2\right)^{2}.
29+y^{2}-4y
Add 25 and 4 to get 29.
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