Evaluate
\frac{4\left(x-6\right)^{2}}{9}
Expand
\frac{4x^{2}}{9}-\frac{16x}{3}+16
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\frac{4}{9}x^{2}-\frac{16}{3}x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(\frac{2}{3}x-4\right)^{2}.
\frac{4}{9}x^{2}-\frac{16}{3}x+16
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(\frac{2}{3}x-4\right)^{2}.
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