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Home > PC > Chapter 7 > Lesson 7.2.4 > Problem 7-79

7-79.

a3 + 3a2b + 3ab2 + b3

(2x)3 + 3(2x)2(−3y) + 3(2x)(−3y)2 + (−3y)3

Don't forget to square or cube the coefficient also.