Expand
4x^{2}+20xy-8x+25y^{2}-20y+4
Evaluate
\left(2x+5y-2\right)^{2}
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4x^{2}+20xy-8x+25y^{2}-20y+4
Square 2x+5y-2.
4x^{2}+20xy-8x+25y^{2}-20y+4
Square 2x+5y-2.
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