Question 778704
64x^3+(2x-7)^3


(4x)^3-(2x-7)^3

(4x-(2x-7))((4x)^2-(4x)(2x-7)+(2x-7)^2}}}


(2x+7)(16x^2-8x^2+28x+4x^2-28x+49)


(2x+7)(12x^2+49)