Question

as raizes da equaçao 24= 6 x²

Answer 1

6x²=24⇔x²=4⇔x=2∨x=-2
c.s.={2,-2}

Answer 2

24 = 6x²
x² = 24/6
x² = 4

x = - √4                 ou                   x = √4
x = - 2                                         x = 2

S= {- 2 ; 2}