SOLUTION: What's (2x+3)(2x-3) using foil I got 2x*2x=4x^2 2x*3=-6x 32x=32x and I took -6x and 32x but I feel like I'm not getting the right answer 3*3=-9

Algebra ->  Equations -> SOLUTION: What's (2x+3)(2x-3) using foil I got 2x*2x=4x^2 2x*3=-6x 32x=32x and I took -6x and 32x but I feel like I'm not getting the right answer 3*3=-9      Log On


   

Question 1018760: What's (2x+3)(2x-3) using foil
I got 2x*2x=4x^2
2x*3=-6x
32x=32x and I took -6x and 32x but I feel like I'm not getting the right answer
3*3=-9
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

%282x%2B3%29%282x-3%29 multiply each term from first parentheses by each term from second parentheses
2x%2A2x%2B2x%2A%28-3%29%2B3%2A2x%2B3%28-3%29
4x%5E2-6x%2B6x-9
4x%5E2-cross%286x%29%2Bcross%286x%29-9
4x%5E2-9