SOLUTION: 20cd/c^2-d^2 - c-d/c+d subtract and simplify if possible. Thanks in advance

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 20cd/c^2-d^2 - c-d/c+d subtract and simplify if possible. Thanks in advance       Log On


   

Question 312717: 20cd/c^2-d^2 - c-d/c+d
subtract and simplify if possible.
Thanks in advance
Answer by mananth(16949) About Me  (Show Source):
You can put this solution on YOUR website!
20cd/c^2-d^2 - c-d/c+d

20cd / (c+d)(c-d) - c-d / c+d
LCM = (c+d)(c-d)
20cd-(c-d)^2 / (c+d)(c-d)
20cd -c^2+2cd-d^2 / (c+d)(c-d)
-c^2-18cd-d^2 / (c+d)(c-d)