Expand
4a^{2}+8ab-4a+4b^{2}-4b+1
Evaluate
\left(2a+2b-1\right)^{2}
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4a^{2}+8ab-4a+4b^{2}-4b+1
Square 2a+2b-1.
4a^{2}+8ab-4a+4b^{2}-4b+1
Square 2a+2b-1.
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