SOLUTION: Use the quadratic formula to solve the equation 2x^2-5x=-7 the solution set is

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Question 420251: Use the quadratic formula to solve the equation
2x^2-5x=-7
the solution set is

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!

2x^2-5x=-7
2x^2-5x+7
Find the roots of the equation by quadratic formula
a= 2 , b =-5 , c = 7 .
b^2-4ac= -31
x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29

x1=%285%2Bsqrt%28-31%29%29%2F%284%29
x1= 1.25 + 1.39194109 i
...
x2=%285-sqrt%28-31%29%29%2F%284%29
x2= 1.25 - 1.39194109 i