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f(x) = 5x2 - X+ 3


Please help


Sagot :

Answer:

Step-by-step explanation:

Do you know how to use the quadratic formula?

[tex]x = \frac{-b +/- \sqrt{b^2 - 4*a*c} }{2*a}[/tex]

a = 5

b = -1    

c = 3

[tex]x = \frac{1 +/- \sqrt{1 - 4*1*3} }{2}\\x= \frac{1 +\sqrt{-11} }{2}\\x = \frac{1 +/- i\sqrt{11} }{2}[/tex]