729X3-512-y3

Asked by dg0036768 | 18th Feb, 2020, 12:22: PM

Expert Answer:

729x3-512y3
= (9x)3 - (8y)3
We know that, a3 - b3 = (a - b)(a2 + ab + b2) 
= (9x - 8y)(81x2 + 72xy + 64y2)

Answered by Yasmeen Khan | 18th Feb, 2020, 02:13: PM