Question

Equação do 2 grau
X-5x+6=0

Answer 1

x²-5x+6=0

A = 1 B = -5 C = 6

Δ = B² - 4.A.C

Δ = (-5)² - 4.1.6

Δ = 25 - 24

Δ = 1

X = -B +- √Δ / 2.A

X = -(-5) +- √1 / 2.1

X = 5 +- 1 / 2

X| = 5 + 1 / 2

X| = 6 / 2

X| = 3

X|| = 5 - 1 / 2

X|| = 4 / 2

X|| = 2