Question

Subtract : 6m ( m- 3 ) + 5 m ( 3 - m ) from 9m ( m - 12)​

Answer 1

Answer:

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Answer 2

$\huge\mathbb\blue{ᴀɴSᴡᴇʀ }$

First we add this number :-

$= > 6m(m - 3) + 5m(3 - m) \\ = > 6 {m}^{2} - 18 + 15m - 5 {m}^{2} \\ = > 6 {m}^{2} - 5 {m}^{2} - 18 + 15 \\ = > {m}^{2} - 3$

Now we subtract this :-

$= > 9m(m - 12) - {m}^{2} - 3 \\ = > 9 {m}^{2} - 108 - {m}^{2} - 3 \\ = > 9 {m}^{2} - {m}^{2} -108 - 3 \\ → 8 {m}^{2} - 111$

Main Answer :-

$⇴8 {m}^{2} - 111$