Question

64x^3-27y^3

Answer 1

\(64x^3-27y^3=\left(4x\right)^3-\left(3y\right)^3\)

\(=\left(4x-3y\right)\left(16x^2+12xy+9y^2\right)\)

Answer 2

\(64x^3-27y^3\\ =\left(4x\right)^3-\left(3y\right)^3\\ =\left(4x-3y\right)\left(16x^2+12xy+9y^2\right)\)