Question

x elevado a 2 - x - 3/4 = 0​

Answer 1

Resposta:

x2-x-3/4=0

x=(1+-√1-4.1.-3/4)/2

x=(1+-√1+3)/2

x=(1+2)/2

x=3/2

x=(1-2)/2

x=-1/2

Resposta : x= 3/2 ou x= -1/2