Question
Find the following products:
$(3 m-4 n) \times(2 m-3 n)$

Answer

$(3 m-4 n) \times(2 m-3 n)$
$= 3 m(2 m-3 n)-4 n(2 m-3 n)$
$= 6 m^2-9 m n-8 m n+12 n^2$
$= 6 m^2-17 m n+12 n^2$

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