Question

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

Answer 1

well, this is a sum of cubes: (a^3+b^3)=(a+b)(a^2-ab+b^2)

Answer 2

\[\large 8a^3+125a^3\]



\[\large (2a)^3+(5a)^3\]



\[\large (2a+5a)((2a)^2-(2a)(5a)+(5a)^2)\]



\[\large (2a+5a)(4a^2-10a^2+25a^2)\]