Question

a cube minus 27 b cube equal to a minus 3 B equal to minus 6 a b equal to 10​

Answer 1

Answer:

-36

Step-by-step explanation:

a3 - 27b3=?

a-3b=-6

ab=-10

using (a-b)3=a3-b3-3ab(a-b)

         (a-3b)=(a)3-(3b)3-3ab(a-3b)

         (-6)3 =(a)3 - (3b)3 - 3(-10)(-6)    

         a3-27b3 = -216+180

                  ANSWER =a3-27b3 = -36