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