SOLUTION: f(x)= 3x+x(x-1) what are the solutions? what are the x-intercepts?

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Question 246163: f(x)= 3x+x(x-1) what are the solutions? what are the x-intercepts?
Answer by checkley77(12569) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)= 3x+x(x-1)
f(x)=3x+x^2-x
f(x)=x^2+2x
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%5E2+%2B2x%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 +2x).
X intercepts are 0 & -2