SOLUTION: Solve the following equations by completing squares and then check their answers. a^2 - a = 6

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve the following equations by completing squares and then check their answers. a^2 - a = 6      Log On


   

Question 873011: Solve the following equations by completing squares and then check their answers.
a^2 - a = 6
Found 2 solutions by josgarithmetic, ewatrrr:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
a^2 - a = 6
(a-.5)^2 = 6 + .25
(a-.5)^2 = 6.25
a^2 - a + .25 = 6 + .25