SOLUTION: Hello! My class is doing review of factoring and I feel worried that I dont know the first step to this factoring problem. Can anyone help me? Factor completely 50x^2-98y^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Hello! My class is doing review of factoring and I feel worried that I dont know the first step to this factoring problem. Can anyone help me? Factor completely 50x^2-98y^2      Log On


   



Question 895771: Hello! My class is doing review of factoring and I feel worried that I dont know the first step to this factoring problem. Can anyone help me?
Factor completely 50x^2-98y^2

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
50x^2-98y^2
factor out 2
2*(25x^2-49y^2)
now we have a difference of squares
2*(5x-7y)(5x+7y)