Evaluate
\frac{\left(25x-3\right)^{2}}{25}
Expand
25x^{2}-6x+\frac{9}{25}
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25x^{2}-6x+\frac{9}{25}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(5x-\frac{3}{5}\right)^{2}.
25x^{2}-6x+\frac{9}{25}
Use binomial theorem \left(a-b\right)^{2}=a^{2}-2ab+b^{2} to expand \left(5x-\frac{3}{5}\right)^{2}.
Examples
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