URGENT

on donne l'expression C=(x-1)2 - x(x-2)
1) développer et réduire C
2) en deduire la valeur du nombre (10puissance10 -1)2 -10puissance10X(10puissance10 - 2)

MERCI A TOUT CEUX QUI POURRONT M AIDER
TRES TRES URGENT

By: USER2484
28 Agustus 2025 mathematiques 5 minutes
4.5
264 views 264 comments 13 shares
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Question

Grade: Education Subject: mathematiques
URGENT

on donne l'expression C=(x-1)2 - x(x-2)
1) développer et réduire C
2) en deduire la valeur du nombre (10puissance10 -1)2 -10puissance10X(10puissance10 - 2)

MERCI A TOUT CEUX QUI POURRONT M AIDER
TRES TRES URGENT
Asked by:
264 Viewed 264 Answers

Answer (264)

Best Answer
(124)
c = 2x-2 - ( x²-2x)
    = 2x-2-x²+2x
     = 4x-2-x²
Answered on 28 Agustus 2025
(309)
bonsoir

(x-1)² -x(x-2) =
x²-2x+1 -x²+2x =
1

en deduire la valeur du nombre (10puissance10 -1)2 -10puissance10X(10puissance10 -

soit x = 10 puissance 10 donc

 (10puissance10 -1)² -10puissance10X(10puissance10 - 2) =
(x-1)² -x(x-2)
=1

Answered on 28 Agustus 2025

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