SOLUTION: Rewrite the quadratic portion of the algebraic expression as the sum or difference of two squares by completing the square. 4/x^2 + 12x + 85

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Rewrite the quadratic portion of the algebraic expression as the sum or difference of two squares by completing the square. 4/x^2 + 12x + 85       Log On


   

Question 1123173: Rewrite the quadratic portion of the algebraic expression as the sum or difference of two squares by completing the square.
4/x^2 + 12x + 85
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
Maybe you meant, 4/(x^2+12x+85) ?

The quadratic part x%5E2%2B12x%2B85
x%5E2%2B12x%2B6%5E2%2B85-6%5E2
%28x%2B6%29%5E2%2B49-------sum of squares. 7%5E2=49