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Chloeleeds
@Chloeleeds
April 2019
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Équation
x(au carre)+25=10x
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Thomas1106
Verified answer
X²+25 = 10x
x²-10x+25 = 0
x²-10x+25 : Cette expression est de la forme a²-2ab+b² avec a = x et b = 5
Rappel : a²-2ab+b² = (a-b)²
(x-5)² = 0
x-5 = 0
x = 5
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Thanks 2
chloeleeds
merci beaucoup
Jozewar95
Verified answer
X²+25 = 10x
x²-10x+25 = 0
x²-10x+25 : Fonction du second degrés(delta)
(x-5)² = 0
x-5 = 0
x = 5
0 votes
Thanks 0
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Verified answer
X²+25 = 10xx²-10x+25 = 0
x²-10x+25 : Cette expression est de la forme a²-2ab+b² avec a = x et b = 5
Rappel : a²-2ab+b² = (a-b)²
(x-5)² = 0
x-5 = 0
x = 5
Verified answer
X²+25 = 10xx²-10x+25 = 0
x²-10x+25 : Fonction du second degrés(delta)
(x-5)² = 0
x-5 = 0
x = 5