Evaluate
\frac{\left(3v-7\right)^{2}}{9}
Expand
v^{2}-\frac{14v}{3}+\frac{49}{9}
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v^{2}-\frac{14}{3}v+\frac{49}{9}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(v-\frac{7}{3}\right)^{2}.
v^{2}-\frac{14}{3}v+\frac{49}{9}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(v-\frac{7}{3}\right)^{2}.
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