Question

(x+3)(x-1)=0 resolvam para mim pfvrrrrrrr

Answer 1

x2-x+3x-3

x2-2x-3

discriminante=4-4.1.-3
discriminante=4+12
discriminate=16

x1=2+4
     ------- = 3
      2

x2=2-4
     ------= -1
      2

Resposta: -1,3