Question

Equação do segundo grau:

12x²+x-6=0

Answer 1

∆= (1)² - 4(12)(-6) -> ∆= 289. X1 =( -1 + 17)/2 e X2 = (-1 - 17)/2. X1= 8 e X2=-9

Answer 2

♢= b^2-4ac

♢= 1^2-4.12. (-6)
♢= 1+288
♢=289


x= 1+-17/2.12
x= 1+-17/24
x'= 1+17/24 = 18/24= 3/4
x''=1-17/24=-16/24=4/6