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Factorise (2a +3b)^2-5(2a+3b)-14 . sir I am not able to solve this pls answer my question.

Factorise (2a +3b)^2-5(2a+3b)-14 . sir I am not able to solve this pls answer my question.

Grade:8

1 Answers

Anshika Pattnaik
38 Points
4 years ago
Let (2a+3b) = xThen equation will be x^square - 5x -14x^square - 7x + 2x -14x (x-7) + 2 (x-7)(x-7) ( x+2)Now put the value of x(2a+3b-7)(2a+3b+2)

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