SOLUTION: solve for the variable x^2 - 3x - 28 = 0

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: solve for the variable x^2 - 3x - 28 = 0      Log On


   

Question 209386: solve for the variable
x^2 - 3x - 28 = 0
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 - 3x - 28 = 0
Strategy, attempt to factor first, failing that, resort to the quadratic equation.
.
In this case, it can be factored:
(x-7)(x+4) = 0
therefore,
x = {-4, 7}