Evaluate
\frac{\left(16x-5\right)^{2}}{1600}
Expand
\frac{4x^{2}}{25}-\frac{x}{10}+\frac{1}{64}
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\frac{4}{25}x^{2}-\frac{1}{10}x+\frac{1}{64}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(\frac{2}{5}x-\frac{1}{8}\right)^{2}.
\frac{4}{25}x^{2}-\frac{1}{10}x+\frac{1}{64}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(\frac{2}{5}x-\frac{1}{8}\right)^{2}.
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