Question

formula de bhaskara Com Delta

Answer 1

Boa tarde

-x² - x + 30 = 0
x² + x - 30 = 0

delta
d² = 1 + 120 = 121
d = 11

x1 = (-1 + 11)/2 = 10/2 = 5
x2 = (-1 - 11)/2 = -12/2 = -6