SOLUTION: What is the root of 49x^2-25=0?

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: What is the root of 49x^2-25=0?      Log On


   



Question 244006: What is the root of 49x^2-25=0?
Answer by mathitutor(25) About Me  (Show Source):
You can put this solution on YOUR website!
49x^2-25=0 => (7x)^2 - 5^2 = 0 => (7x + 5)(7x-5) = 0
=> x = 5/7 and -5/7