Question

resolva X²-4X+3=0.........​

Answer 1

x²-4x+3=0

delta=(-4)²-4.1.3

delta=16-12

delta=4

x'=4+2/2

x'=6/2

x'=3

x"=4-2/2

x"=2/2

x"=1

Espero ajudar ❤