Question

Bhaskara 2x² – 5x + 3​

Answer 1

Resposta:

X'= – 2

5

x"= – 3

5

Explicação passo-a-passo:

2x² – 5x + 3

a) 2 b) –5 c) 3

Δ = b² – 4ac

Δ = –5² – 4.2.3

Δ = 25 – 24

Δ = 1

X = – b ± √Δ

       2·a

X = 5 ± √1

       2·(-5)

X = – 5 ± 1

       10

x' = – 5 + 1 = -4 = - 2

10 10 5

x" = – 5 - 1 = - 6 = – 3

10 10 5