RESOUDRE LES EQUATIONS x(x+13)=0 x(18-x)=0
Mathématiques
frisettefripouille
Question
RESOUDRE LES EQUATIONS
x(x+13)=0
x(18-x)=0
x(x+13)=0
x(18-x)=0
1 Réponse
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1. Réponse MichaelS
x(x + 13) = 0
x = 0 ou x + 13 = 0
x = -13
S = {-13 ; 0}
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x(18 - x) = 0
x = 0 ou 18 - x = 0
x = 18
S = {0 ; 18}