SOLUTION: (((factor by grouping: 15+3y-5x^2-x^2y))) I keep trying to group these rogether and factor them once grouped. I keep messing this one up...please help me!!!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: (((factor by grouping: 15+3y-5x^2-x^2y))) I keep trying to group these rogether and factor them once grouped. I keep messing this one up...please help me!!!      Log On


   

Question 228350: (((factor by grouping: 15+3y-5x^2-x^2y)))
I keep trying to group these rogether and factor them once grouped. I keep messing this one up...please help me!!!
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
15+3y-5x^2-x^2y
-5x^2-x^2y+3y+15
-x^2(5+y)+3(y+5)
(-x^2+3)(y+5) ans