SOLUTION: can someone plss help me by monday? im really stuck :( simplify the complex fraction. 11. 3/y+4 - 5/y-4 = 10/y^2-16

Algebra ->  Complex Numbers Imaginary Numbers Solvers and Lesson -> SOLUTION: can someone plss help me by monday? im really stuck :( simplify the complex fraction. 11. 3/y+4 - 5/y-4 = 10/y^2-16      Log On


   



Question 473463: can someone plss help me by monday? im really stuck :(
simplify the complex fraction.
11. 3/y+4 - 5/y-4 = 10/y^2-16

Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

3%2F%28y%2B4%29+-+5%2F%28y-4%29+=+10%2F%28y%5E2-16%29




%28%283%28y-4%29%29+-+%285%28y%2B4%29%29%29%2F%28y%5E2-16%29+=+10%2F%28y%5E2-16%29...cross multiply

%28%28%283y-12%29%29+-+%28%285y%2B20%29%29%29%28y%5E2-16%29+=+10%28y%5E2-16%29.....reduce

%283y-12+-5y-20%29cross%28%28y%5E2-16%29%29+=+10cross%28%28y%5E2-16%29%29

+-2y-32+=+10.....multiply by -1
+2y%2B32+=+-10
+2y+=+-10-32
+2y+=+-42
+y+=+-21