Question

Resolva a equação do segundo grau 6x2 -4x- 2=o?

Answer 1

6x^2-4x-2=0 (÷2)
3x^2-2x-1=0
a=3,b=-2,c=1
€=b^2-4ac
€=(-2)^2-4(3)(-1)
€=4-12(-1)
€=4+12
€=16
x=-b+,-\/€/2a
x=-(-2)+,-\/16/2(3)
x=2+,-4/6
x1=2+4/6》x1=6/6》x1=1
x2=2-4/6》x2=-2/6(÷2)》x2=- 1/3