Question

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

Answer 1

this is a difference of squares


use the difference of squares formula \[\Large (A+B)(A-B)=A^2-B^2\]

Answer 2

where A=3x and B=2y

Answer 3

so is it 9x2-4y2

Answer 4

you got it

Answer 5

\[=(3x)^2-(2y)^2=9x^2-4y^2\]

Answer 6

good job

Answer 7

dang u guys are so fast lol... wow i really need this sites help... i been taking algebra 1 four times cuz im terrible at math... im genius in other subjects but math is hard for me.

Answer 8

and im in my second yr as a senior... and i need four math credits to graduate

Answer 9

Just in case you don't know about it -
you might want to kick back , relax and enjoy some algebra videos on

www.khanacademy.org

focusing on topics which are giving you grief.


There are also online practice questions available.

Answer 10

thanks...

Answer 11

thanks...

Answer 12

so can someone help this girl ? -.-