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(a-b)^2 Expansion and Visualisation

Evaluate 6m...

Question

Evaluate $(6 m - 3 n)^{2}$

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Solution

${(6 m - 3 n)}^{2}$
$= 36 m^{2} - 36 m n + 9 n^{2}$
Hence, the answer is $36 m^{2} - 36 m n + 9 n^{2} .$

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