Question

Equacao do 2° grau 6x ao quadrado-x-2=0
${6x}^{ 2} - x - 2 = 0$

Answer 1

∆=b²-4.a.c
∆=1²-4.6.(-2)
∆=1-24.(-2)
∆=1+48
∆=49
x=-b±✓∆/2
x=1±✓49/2
x=1±7/2
x1= 1+7/2
x1= 4
x2= 1-7/2
x2= -3