SOLUTION: can someone help me with this please (1/2x-10)(1/2x+10) thanks a lot.

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: can someone help me with this please (1/2x-10)(1/2x+10) thanks a lot.      Log On

Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 73594This question is from textbook
: can someone help me with this please (1/2x-10)(1/2x+10)
thanks a lot.This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
(1/2x-10)(1/2x+10)
1/2x*1/2x=1/4x^2
1/2x*10=5x
1/2x*-10=-5x
-10*10=-100 now combine all these terms & we get
(1/4x^2-100) bwcause the 5x & the -5x cancel out.