1.

Factorise the following 3x2y + 9xy -12.explain breifly

Answer»

ANSWER:

(3X +12)(xy-1)

Step-by-step explanation:

3x^2 + 9xy -12

3x^2-3xy + 12xy -12

3x(xy-1) + 12(xy -1)

(3x +12)(xy-1)



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