SOLUTION: solve 4x+x(x-1)=0 find the x-intercepts of f(x)=4x+x(x-1) I am not sure how to get this into proper form dont know what to do with the x(x-1)part

Algebra ->  Rational-functions -> SOLUTION: solve 4x+x(x-1)=0 find the x-intercepts of f(x)=4x+x(x-1) I am not sure how to get this into proper form dont know what to do with the x(x-1)part      Log On


   

Question 321513: solve 4x+x(x-1)=0
find the x-intercepts of f(x)=4x+x(x-1)
I am not sure how to get this into proper form dont know what to do with the x(x-1)part
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
distributing ___ 4x + x^2 - x = 0 ___ x^2 + 3x = 0

factoring ___ x(x+3) = 0

x = 0 , x = -3 ___ these are the x-intercepts (roots)