Question

Solve the equation by completing the square. Round to the nearest hundredth if necessary. X^2-5x=12

Answer 1

x = -1.77, 6.77.

Explanation:

x^2 - 5x = 12

(x - 2.5)^2 - 6.25 = 12

(x - 2.5)^2 = 18.25

x - 2.5 = +/- √18.25

x = 2.5 +/- √18.25

x = -1.77, 6.77.