x^2-9x+14 = 0
x^2 - 9x + (9/2)^2 = -14 + (9/2)^2
(x - 9/2)^2 = 25/4
x - 9/2 = ±5/2
x = 9/2 ± 5/2
x = 2 or 7
Solve the following quadratic equation by completing the square. Simplify the solutions and rationalize denominators, if necessary.
x2 − 9x + 14 = 0
1 answer
1 answer