qui peut me dire si c'est bon
P(x)= (3x10)²-169
1) développer et réduire P(x)
réponse: P(x)=(3x+10)²-169
P(x)=(3x+10)(3x+10)-169
P(x)= 9x²+30x+30x+100-169
P(x)= 9x²+60x-69

2) factoriser P(x)
P(x)=(3x+10)²-169
P(x)=(3x+10)²-(13)²
P(x)=(3x+10+13)(3x+10-13)
P(x)=(3x+23)(3x-3)

By: USER9257
27 Agustus 2025 mathematiques 5 minutes
4.5
455 views 455 comments 13 shares
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Question

Grade: Education Subject: mathematiques
qui peut me dire si c'est bon
P(x)= (3x10)²-169
1) développer et réduire P(x)
réponse: P(x)=(3x+10)²-169
P(x)=(3x+10)(3x+10)-169
P(x)= 9x²+30x+30x+100-169
P(x)= 9x²+60x-69

2) factoriser P(x)
P(x)=(3x+10)²-169
P(x)=(3x+10)²-(13)²
P(x)=(3x+10+13)(3x+10-13)
P(x)=(3x+23)(3x-3)

Asked by:
455 Viewed 455 Answers

Answer (455)

Best Answer
(119)
P(x) = ( 3 x + 10 )² - 169
P(x) = 9 x² + 60 x + 100 - 169
p(x) = 9 x² + 60 x - 69
le reste est bon aussi
Answered on 27 Agustus 2025

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