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3/2 and -3/2?
Okay. I'm not supposed to solve for x. Doh.
So...she told me...(2x+3)*(2x-3)...That's 2x*2x +6x -6x -9...which is (4x^2 - 9)
3/2 and -3/2?
ReplyDeleteOkay. I'm not supposed to solve for x. Doh.
ReplyDeleteSo...she told me...(2x+3)*(2x-3)...That's 2x*2x +6x -6x -9...
ReplyDeletewhich is (4x^2 - 9)