SOLUTION: Find all solutions of the equation x^2&#8722;3x+8=0 and express them in the form a+bi: First with the input b<0 Then with the input b>0

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Find all solutions of the equation x^2&#8722;3x+8=0 and express them in the form a+bi: First with the input b<0 Then with the input b>0       Log On


   

Question 395045: Find all solutions of the equation x^2−3x+8=0 and express them in the form a+bi:
First with the input b<0
Then with the input b>0
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^2−3x+8=0
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Use the Quadratic Formula to get:
x = [3+-sqrt(9-4*8)]/2
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x = [3+-sqrt(-23)]/2
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x = (3/2) + (sqrt(23)/2)i or x = (3/2)-(sqrt(23)/2)i
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Cheers,
Stan H.
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