Question
Factorize of the following expressions:
6xy + 6 - 9y - 4x

Answer

6xy + 6 - 9y - 4x
= 2x(3y - 2) + 3(2 - 3y)
= 2x(3y - 2) - 3(3y - 2) [since, (2 - 3y) = -(3y - 2)]
= 2x(3y - 3)(3y - 2) [taking (3y - 2) as the common factor]

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