Factorise the polynomial 14(3y−5z)3+7(3y−5z)2
We have14(3y−5z)3+7(3y−5z)2=7(3y−5z)2[2(3y−5z)+1] [Taking 7(3y−5z)2 as common ]=7(3y−5z)2[6y−10z+1]=7(3y−5z)(3y−5z)(6y−10z+1)
Factorise it :-
14(3y - 5z)3 + 7(3y - 5)2