Question

como.resolver a inequacao(2x-1)×(-×+3)<0?​

Answer 1

Resposta:

Explicação passo-a-passo:

(2x-1)×(-×+3)<0

-2x²+6x+x-3<0

-2x²+7x-3<0 (-1)

2x²-7x+3>0

-7²-4.2.3

49-24

25

√25=5

x=7±5/2.2

x'=12/4 = 3

x''=2/4 = 1/2