Evaluate
2\left(y-5\right)^{2}
Expand
2y^{2}-20y+50
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2\left(y^{2}-10y+25\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(y-5\right)^{2}.
2y^{2}-20y+50
Use the distributive property to multiply 2 by y^{2}-10y+25.
2\left(y^{2}-10y+25\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(y-5\right)^{2}.
2y^{2}-20y+50
Use the distributive property to multiply 2 by y^{2}-10y+25.
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