Question

Factor and explain please: 27x^3 + 64y^3

Answer 1

sum of two cubes
\[a^3+b^2=(a+b)(a^2-ab+b^2)\] put
\[a=3x, b= 4y\] to get your answer

Answer 2

(3x)^3 +(4y)^3
=(3x+4y)((3x)^2)-3x.4y+(4y)^2)

Answer 3

Okay thanks satellite