Question

Resolva a equação x² + $\frac{10}{3}$x + 1 = 0

Answer 1

x²+10x/3+1 = 0 (3)
3x²+10x + 3 = 0
/\ = 10² - 4*3*3
/\ = 100 - 36
/\ = 64
x = (-10+/- \/64)/2*3
x = (-10+/-8)/6
x' = (-10+8)/6 = -2/6 = -1/3
x'' = (-10-8)/6 = -18/6 = -3

S: {-1/3; -3}