SOLUTION: Solve by completing the square. X^2 = 5x +2 My answer for this one was {{{(5+sqrt(29))/2}}}. Is this correct. Thanks for your time to look over this, I appreciate it.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve by completing the square. X^2 = 5x +2 My answer for this one was {{{(5+sqrt(29))/2}}}. Is this correct. Thanks for your time to look over this, I appreciate it.       Log On


   

Question 76109: Solve by completing the square.
X^2 = 5x +2
My answer for this one was %285%2Bsqrt%2829%29%29%2F2. Is this correct. Thanks for your time to look over this, I appreciate it.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
NO IT IS NOT CORRECT.
X^2=5X+2
X^2-5X-2=0
USING THE QUADRATIC EQUATION.
x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+
X=(5+-SQRT[-5^2-4*1*-2])/2*1
X=(5+-SQRT[25+8])/2
X=(5+-SQRT33)/2
X=(5+-5.74)/2
X=10.74/2
X=5.37 ANSWER
X=(5-5.74)/2
X=-.74/2
X=-.37 ANSWER