Question

8a^3+125b^3 how would you factor and solve this

Answer 1

(2a)^3+(5b)^3
there is a formula: a^3 + b^3 = (a+b)(a^2-a*b+b^2)
by using this formula:
(2a+5b)(4a^2-10*a*b+25b^2)

Answer 2

where did you find this formula