SOLUTION: its asking to factor each trinomial x^2+5x-25=

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: its asking to factor each trinomial x^2+5x-25=       Log On


   



Question 267529: its asking to factor each trinomial
x^2+5x-25=

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
its asking to factor each trinomial
x^2+5x-25=
Solve the quadratic using the quadratic formula:
x = [-5 +- sqrt(25-4*1*-25)]/2
---
x = [-5 +- sqrt(125)]/2
---
x = [-5 +-5sqrt(5)]/2
Factors:
(x-[-5-5sqrt(5)]/2)(x+[-5+sqrt(5)]/2)
(x+(5+sqrt(5))/2)(x+[-5+sqrt(5)]/2)
---------------
Cheers,
Stan H.