Question

Resultado x(ao quadrado)-5x +6=0 dessa conta

Answer 1

x²-5x+6 = 0
Δ= b²-4ac
Δ= 5² - 4.1.6
Δ= 25 - 20
Δ= 5

Answer 2

Oie, Td Bom?!

x² - 5x + 6 = 0

x² - 2x - 3x + 6 = 0

x . (x - 2) - 3(x - 2) = 0

(x - 2) . (x - 3) = 0

• x - 2 = 0 ⇒ x = 2

• x - 3 = 0 ⇒ x = 3

S = {2 , 3}

Att. Makaveli1996