Factorise the following 12 (a+b)² - (a+b) - 35 – InterviewSolution

1.

Factorise the following 12 (a+b)² - (a+b) - 35

Answer»

(4X-7) (3X-5)

Step-by-step EXPLANATION:

TAKE (a+b) AS X

THEREFORE

12X²-X²-35

12X²+20X-21X-35

4X(3X+5) -7X(3X+5)

(3X+5)(4X-7X)

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