SOLUTION: What are the roots for the equation 4xsquared+25=20x? I tried making the equation look like this:4xsquared-20x=-25 and I got x=40,0, but the 40 didn't equal what the original eqaut

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: What are the roots for the equation 4xsquared+25=20x? I tried making the equation look like this:4xsquared-20x=-25 and I got x=40,0, but the 40 didn't equal what the original eqaut      Log On


   

Question 187107This question is from textbook
: What are the roots for the equation 4xsquared+25=20x? I tried making the equation look like this:4xsquared-20x=-25 and I got x=40,0, but the 40 didn't equal what the original eqaution was. This question is from textbook

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
subtracting 20x ___ 4x^2-20x+25 = 0

factoring ___ (2x-5)(2x-5) = 0

2x = 5 ___ x = 5/2 ___ this is a double root