## Introductory Algebra for College Students (7th Edition)

x$^3$+27y$^3$
(x+3y)(x$^2$-3xy+9y$^2$) This problem is a special product where the multiplication results in the sum of the cubes of the two terms in the first set of parentheses. ((x)$^3$+(3y)$^3$) (x$^3$+27y$^3$)