👤

Sagot :

PAN59
x/1x=x+5/x+8

x/x = x + 5/x + 8

x + 5/x + 8 = 1

x + 5/x + 7 = 0

5/x = -x-7

x(-x-7) = 5

-x²+7x = 5

-x²+7x-5 = 0

delta=29

Solutions
--------------
x1 = (-b+racine(delta))/2a = (-7+racine(29)) / -2

x2 = (-b-racine(delta))/2a = (-7-racine(29)) / -2

© 2024 IDNLearn. All rights reserved.