SOLUTION: z^2+2z-8 over z-5 multiplied by z^2-4z-5 over z^2+5z+4

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: z^2+2z-8 over z-5 multiplied by z^2-4z-5 over z^2+5z+4      Log On


   

Question 1057532: z^2+2z-8 over z-5 multiplied by z^2-4z-5 over z^2+5z+4
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
((z^2+2z-8) / (z-5)) * ((z^2-4z-5) / (z^2+5z+4)) =
:
((z+4)*(z-2)) / (z-5)) * ((z-5)*(z+1) / ((z+4)*(z+1))) =
:
*************
(z-2) / (z+4)
*************
: