
Steve S. answered 02/12/14
Tutor
5
(3)
Tutoring in Precalculus, Trig, and Differential Calculus
(a^3 - b^3) = (a - b)(a^2 + ab + b^2)
Multiply right side out to verify.
d^6 - h^3 = (d^2)^3 - h^3
= (d^2 - h)((d^2)^2 + (d^2)*h + h^2)
= (d^2 - h)((d^4 + (d^2)*h + h^2)
Steven A.
02/12/14