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Question
Factorize each of the following algebraic expression:
9a2 − 24ab + 16b2
Solution
\[9 a^2 - 24ab + 16 b^2 \]
\[ = (3a )^2 - 2 \times 3a \times 4b + (4b )^2 \]
\[ = (3a - 4b )^2 \]
\[ = (3a - 4b)(3a - 4b)\]
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