Question

How do you solve the equation x2−10x=−24 by using the quadratic formula?

Answer 1

x²-10x+24=0

by quadratic formula

x=[-b±√(b²-4ac)]/2a

b=-10, a=1 c=24

x=[-(-10)±√(100-4(1)(24)]/2(1)

x=[10±√100-96]/2

x=[10±√4]/2

x=(10+2)/2, (10-2)/2

x=6, 4