Question

5x²-11x+6=0 alguem me ajuda

Answer 1

a = 5

b = -11

c = 6

Δ = (- 11 ²) - 4 . 5 . 6

Δ = 121 - 120

Δ = 1

X = - (- 11) +- √1 ÷ 2 x 5

X = 11 + 1 ÷ 10 = 12 ÷ 10 = 1,2

X = 11 - 1 ÷ 10 = 10 ÷ 10 = 1

S = {1,2, 1}