x^2-30x-10=0
Use the quadratic formula
-b +or- square root of b^2 -4ac all divided by 2a
a = 1 b = -30 c = -10
30 +or- square root of (30)^2-4(-10) all divided by 2
(30+sqrt940)/2
x=30.33
(30-sqrt940)/2
x=-0.33
The solution is x=-0.33 and 30.33
