SOLUTION: 2x2-5x+7=3 by completing the square

Algebra ->  Test -> SOLUTION: 2x2-5x+7=3 by completing the square      Log On


   

Question 360487: 2x2-5x+7=3 by completing the square
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi,

2x2-5x+7=3 by completing the square

2x2-5x+4=0

x^2 -(5/2)x + 2

x^2 -(5/2)x + 25/16 -25/16 + 2 = 0

[x^2 -(5/2)x + 25/16] -25/16 + 32/16 = 0

(x - 5/4)^2 + 7/16 = 0