How do you use FOIL to multiply (2x-5)(3x+6)(2x5)(3x+6)?

1 Answer
May 25, 2018

6x^2-3x-306x23x30

Explanation:

Given: (2x-5)(3x+6)(2x5)(3x+6).

"FOIL"FOIL states that for a product of (a+b)(c+d)(a+b)(c+d), the answer is: ac+ad+bc+bdac+ad+bc+bd.

So, here we get:

=2x*3x+2x*6-5*3x-5*6=2x3x+2x653x56

=6x^2+12x-15x-30=6x2+12x15x30

=6x^2-3x-30=6x23x30