Question

me ajudem a responder essa​

Answer 1

Vamos la:

3x² - 7x + 4 = 0

Δ= b² - 4ac

Δ = (-7²) - 4 · 3 · 4

Δ = 1

x = $\frac{-b ± \sqrt{Δ} }{2a}$

x' = $\frac{-4}{3}$

x" = - 1

P = x' × x''

P = $\frac{4}{3}$