SOLUTION: Please help me solve this equation: It asks to find the x-intercept of the function given by: {{{f(x)=3x^2+x-5}}}

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Question 311576: Please help me solve this equation: It asks to find the x-intercept of the function given by:

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
f(x)=3x^2+x-5

x=(-1+-sqrt[1^1-4*3*-5])/2*3
x=(-1+-sqrt[1+60])/6
x=(-1+-sqrt61)/6
x=(-1+-7.81)/6
x=(-1+7.81)/6
x=6.81/6
x=1.13 ans.
x=(-1-7.81)/6
x=-8.81/6
x=-1.47 ans.
x intercepts (1.13 & -1.47)
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10, 3x^2 +x -5).

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