Question

Ajudeeem pfvrrr?????​

Answer 1

Resposta:

x²-6x+5=0

a = 1

b = -6

c = 5

Δ = b² -4 .a .c

Δ = (-6)² - 4. 1 .5

Δ = 36 -20

Δ = 16

-b +- √Δ / 2.a

- (-6) + - √16 /2 . 1

6 +- 4 / 2

x' = 6 + 4 /2

x' = 10 / 2

x' = 5

x" = 6 - 4 /2

x" = 2 / 2

x" = 1

Resposta: S{ 5 e 1 }