How do I simplify (5x-6)^2-(x+5)^2? I'm not sure what to do with the exponents outside the brackets.
Thanks Answer by checkley79(3341) (Show Source):
You can put this solution on YOUR website! (5x-6)^2-(x+5)^2
expant the 2 terms by squaring them.
(5x-6)^2=25x^2-30x+36
(x-5)^2=2x^2-10x+25
25x^2-30x+36-2x^2-10x+25
23x^2-40x+51 ans.