Evaluate
\frac{\left(4a-3\right)^{2}}{16}
Expand
a^{2}-\frac{3a}{2}+\frac{9}{16}
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a^{2}-\frac{3}{2}a+\frac{9}{16}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-\frac{3}{4}\right)^{2}.
a^{2}-\frac{3}{2}a+\frac{9}{16}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(a-\frac{3}{4}\right)^{2}.
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