Question:
Factorize the following:
16m − 4m2
Solution:
The greatest common factor of the terms $16 m$ and $4 m^{2}$ of the expression $16 m-4 m^{2}$ is $4 m$.
Also, we can write $16 m=4 m \times 4$ and $4 m^{2}=4 m \times m$.
$\therefore 16 m-4 m^{2}=4 m \times 4-4 m \times m$
$=4 m(4-m)$
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