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Elonaleila
@Elonaleila
May 2019
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Bonjour à tous pourriez vous m'aider svp ? C'est l'exo 64 merci
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Verified answer
Bonjour,
A ABCG = x(x+10) = x²+10x
A DEFG = (x+2)² = x²+4x+4
on résous
⇒x²+10x = x²+4x+4
x²+10x-x²-4x = 4
6x = 4
x = 4/6 =2/3
→pour x =2/3(cm) les 2A sont =
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Verified answer
Bonjour,A ABCG = x(x+10) = x²+10x
A DEFG = (x+2)² = x²+4x+4
on résous
⇒x²+10x = x²+4x+4
x²+10x-x²-4x = 4
6x = 4
x = 4/6 =2/3
→pour x =2/3(cm) les 2A sont =