SOLUTION: Solve by completing the squares x^2-(3/x)x=7/16 Note that the x outside the parentheses is the variable of the fraction.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve by completing the squares x^2-(3/x)x=7/16 Note that the x outside the parentheses is the variable of the fraction.       Log On


   



Question 1086728: Solve by completing the squares
x^2-(3/x)x=7/16
Note that the x outside the parentheses is the variable of the fraction.

Answer by Edwin McCravy(20055) About Me  (Show Source):
You can put this solution on YOUR website!
  
x%5E2-%283%2Fx%29x=7%2F16

Just cancel the x's

x%5E2-%283%2Fcross%28x%29%29cross%28x%29=7%2F16

x%5E2-3=7%2F16

Multiply through by 16

16x%5E2-48=7

16x%5E2=55

x%5E2=55%2F16

x=%22%22+%2B-+sqrt%2855%29%2F4

Edwin