Question

expand(3a-1/2a)^3=?​

Answer 1

Answer:

using formula (a-b)^3 = (a-b)(a^2 + ab + b^2)

Step-by-step explanation:

a = 3a

b = a/2

(3a- a/2)(9a + (3a)(a/2) + a^2/4)

(3a - a/2)(9a + 3a^2/2 + a^2/4) ------------------- Answer

I hope its helpful