Evaluate
\frac{\left(24y-x\right)^{2}}{16}
Expand
-3xy+\frac{x^{2}}{16}+36y^{2}
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\frac{1}{16}x^{2}-3xy+36y^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-\frac{1}{4}x+6y\right)^{2}.
\frac{1}{16}x^{2}-3xy+36y^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(-\frac{1}{4}x+6y\right)^{2}.
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