Question

Simplify: (3x+2y)(3x-2y)=

9x2-4y2
9x2+4y2
9x2+12xy+4y2
None of the above

Answer 1

you would have to know that
\[(a+b)(a-b)=a^2-b^2\]

Answer 2

I got C

Answer 3

no...that is not it....
look at what i have given you ^^, realize you have almost the same thing with your a=3x and your b=2y

Answer 4

do you see that??

Answer 5

so using what i have written above,
\[(3x+2y)(3x-2y)=(3x)^2-(2y)^2\]

Answer 6

what do you get when you simplify that??

Answer 7

I SEE THAT I SEE THT OHHHHHHHH I SEEEEE THAT

Answer 8

9x2+4y2