Expand
4n^{2}-8n+4
Evaluate
4\left(n-1\right)^{2}
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4\left(n^{2}-2n+1\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(n-1\right)^{2}.
4n^{2}-8n+4
Use the distributive property to multiply 4 by n^{2}-2n+1.
4\left(n^{2}-2n+1\right)
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(n-1\right)^{2}.
4n^{2}-8n+4
Use the distributive property to multiply 4 by n^{2}-2n+1.
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