what do i do with 0.04x^2 +1.2x-200=0?
0.04x^2 +1.2x-200=0 multiply through by 100
4x^2 + 120x - 20000 = 0 divide through by 4
x^2 + 30x - 5000 = 0 using the quadratic formula we have that : x≈ -87.284 and x ≈ 57.284
x = -87.2842 and x = 57.2842
