👤

Sagot :

Bonjour,

2p - 3 = p² + 5

2p - 3 - 5 = p²

2p - 8 = p²

- p² + 2p - 8 = 0

Δ = 2² - 4 * 1 * -8 = 36

x1 = ( - 2 - √36) / -2 = 4

x2 = ( - 2 + √36) / -2 = -2

Les solutions sont 4 et -2.

© 2024 IDNLearn. All rights reserved.