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प्रश्न
Factorize each of the following expression:
12m2 − 27
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उत्तर
\[12 m^2 - 27\]
\[ = 3(4 m^2 - 9)\]
\[ = 3[(2m )^2 - 3^2 ]\]
\[ = 3(2m - 3)(2m + 3)\]
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