Question

Find the product of (2x − 5y)^2.

Answer 1

just foil (2x-5y)(2x-5y)

Answer 2

how do i do that?

Answer 3

multiply each term through the ()
ie: (x+2)(x+2) = x^2+2x+2x+4=x^2+4x+4

Answer 4

By the way, FOIL stands for 'First, Outside, Inside, Last" - this refers to the order that you multiply the terms (first you multiple the first terms, or x*x, and then the outside terms, or x*2, and then the inside terms, or 2*x, and then the last terms, or 2*2)