Solve Using the Quadratic Formula 2x^2-9x+5=0

Problem

2*x2−9*x+5=0

Solution

1. Identify the coefficients a b and c from the standard form a*x2+b*x+c=0

a=2

b=−9

c=5

2. State the quadratic formula used to find the roots of the equation.

x=(−b±√(,b2−4*a*c))/(2*a)

3. Substitute the values of a b and c into the formula.

x=(−(−9)±√(,(−9)2−4*(2)*(5)))/(2*(2))

4. Simplify the expression inside the square root (the discriminant).

x=(9±√(,81−40))/4

x=(9±√(,41))/4

5. Separate the solution into two distinct values for x

x=(9+√(,41))/4

x=(9−√(,41))/4

Final Answer

x=(9±√(,41))/4

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