Question

plzzZzZ....helpppppp!!!!!!!!

Answer 1

2 × a - 3 × (b×b×b)

Answer 2

(2a-3b)^3 = (2a)^3 - (3b)^3 - 3 (2a)^2 (3b) +3 (2a) (3b)^2.

hope it helps u..