Factorize 4ab+6b+6a+9

Dear Student,


$$\begin{gathered} To Factorize: 4ab+6b+6a+9 \\ =4ab+6b+6a+9 \\ =2b(2a+3)+3(2a+3) \\ \boxed{ =(2a+3)(2b+3) } \end{gathered}$$
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