2(3m+6n) + 3(5m-2n)+ 5(-6m+n)

Elfisher asked Jan 25, 2022

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Elfisher asked Jan 25, 2022

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17 votes

Answer:

$2(3m + 6n) + 3(5m - 2n) + 5( - 6m + n) \\$

open the brackets:

$= (6m + 12n) + (15m - 6n) + ( - 30m + 5n) \\$

group the coefficients of m and n in their brackets:

$= (6 + 15 - 30)m + (12 - 6 + 5)n \\$

then operate the brackets:

= - 9m + 11n

Leftium answered Jan 30, 2022

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