SOLUTION: How do you solve {{{x^2-3x-10=0}}} by factoring

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: How do you solve {{{x^2-3x-10=0}}} by factoring      Log On


   

Question 1010227: How do you solve x%5E2-3x-10=0 by factoring
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
We factor
x%5E2-3x-10=0
into binomial factors, looking for two numbers that multiply to make ten but have a difference of 3...5 and 2 are the numbers...since the middle term is -3, we know that our factoring has to have -5, like this...
%28x+-+5%29%28X+%2B+2%29+=+0
Then
x = 5 or x = -2