12m²-m+5m+4m²+7m-10, Simplify the given expression.
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Solution :
12m² - m + 5m + 4m² + 7m - 10
= 12m² + 4m² - m + 5m + 7m - 10
= ( 12 + 4 )m² + ( -1 + 5 + 7 )m - 10
= 16m² + 11m - 10
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12m² - m + 5m + 4m² + 7m - 10
= 12m² + 4m² - m + 5m + 7m - 10
= ( 12 + 4 )m² + ( -1 + 5 + 7 )m - 10
= 16m² + 11m - 10
••••
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