Rewrite as .Since both terms are perfect cubes, factor using the difference of cubes formula, where and .Simplify.Tap for more steps…One to any power is one.Multiply by . Factor 1-a^3 Do you need help with math? Try our mobile app Our app allows students to get instant step-by-step solutions to all kinds of math troubles. Try it for Free! Our MATH EXPERTS JackHudson Charlie Trom Lucy Evel