Question

Resolva: -3x²-10x-8=0

Answer 1

Resposta:

-3x²-10x-8=0

∆=100-4.(-3).(-8)

∆=100-96

∆=4

x=10±√4/-6

x'=12/-6=-12/6=-2

x"=8/-6=-8/6=-4/3

x'=-2

x"=-4/3