SOLUTION: i need help solving some equations ... 1. 3x^2+75 2. 9x^2-12x-5 3.49^2-36 I have to solve these equations by using factoring.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: i need help solving some equations ... 1. 3x^2+75 2. 9x^2-12x-5 3.49^2-36 I have to solve these equations by using factoring.      Log On


   

Question 846844: i need help solving some equations ...
1. 3x^2+75
2. 9x^2-12x-5
3.49^2-36
I have to solve these equations by using factoring.
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
1)
3(x^2+25)
2)
(-3x-1)(-3x+5)
3)
(7x-6)(7x+6)