How do you solve by completing the square: #ax^2+bx+c=0#?
1 Answer
Apr 1, 2015
Divide all terms by
Subtract the constant term from both sides of the equation
To have a square on the left side the third term (constant) should be
So add that amount to both sides
Re-write the left-side as a square
Take the square root of both sides (remembering that the result could be plus or minus)
Subtract the constant term on the left side from both sides
or, with some simplification
(the standard form for solving a quadratic)