Evaluate
\frac{75}{4}-10y+y^{2}-3x
Factor
\frac{75-40y+4y^{2}-12x}{4}
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-3x+y^{2}-10y+\frac{75}{4}
Combine x and -4x to get -3x.
\frac{4x+4y^{2}-16x-40y+75}{4}
Factor out \frac{1}{4}.
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