Math, asked by Shaquib123, 1 year ago

Factorise :-
18(3z-2)³+9x(3z-2)²

justice2: ans is 27(3z-2)^2(2z-1)

Answers

Answered by vedanshisinha
5
18(3z³+2³+3*3z*-2(3z-2)+9x(3z²-2*3z*2+2²) = 18(27+8-18z(3z-2)+9(9z²-12z+4) = 18(21-54z²-36z) + 81z²-108z+36 = 378-972z²-648z+81z²-108z+36 =414-891z²-756z
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