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Question
Factorize each of the following algebraic expression:
4x2 + 12xy +9y2
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Solution
\[4 x^2 + 12xy + 9 y^2 \]
\[ = (2x )^2 + 2 \times 2x \times 3y + (3y )^2 \]
\[ = (2x + 3y )^2 \]
\[ = (2x + 3y)(2x + 3y)\]
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