Question

factorize
12(x^2+7x)^2-8(x^2+7x)-15(2x-1)^2

Answer 1

Step-by-step explanation:

12(x^2+7x)^2-8(x^2+7x)-15(2x-1)^2

(x^2+7x) [12(x^2+7x)-8-15(2x-1)^2]

(x^2+7x) [12x^2+84x-8-15(4x^2-1)]

(x^2+7x) [12x^2+84x-8-60x^2-15)

(x^2+7x)[-48x^2+84x+7]-ans.....

Hope it helped...