Expand
4x^{2}-4x+2
Evaluate
\left(2x-1\right)^{2}+1
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4x^{2}-4x+1+1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2x-1\right)^{2}.
4x^{2}-4x+2
Add 1 and 1 to get 2.
4x^{2}-4x+1+1
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(2x-1\right)^{2}.
4x^{2}-4x+2
Add 1 and 1 to get 2.
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