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Factorisation by Regrouping Terms

Collect like ...

Question

Collect like terms and simplify the expression:
$12 m - 9 + 5 m - 4 m - 7 m + 10$ .

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Solution

$12 m - 9 + 5 m - 4 m - 7 m + 10$
$= (12 m + 5 m - 4 m - 7 m) + (10 - 9)$
$= 6 m + 1$

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Factorisation by Regrouping Terms

Standard VIII Mathematics

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