Expand
x^{2}-14xy+4x+49y^{2}-28y+4
Evaluate
\left(x-7y+2\right)^{2}
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x^{2}-14xy+4x+49y^{2}-28y+4
Square x-7y+2.
x^{2}-14xy+4x+49y^{2}-28y+4
Square x-7y+2.
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