Exercice 5: Réduire : A = 5xn+7xn E = 3y-3y B = 9x - 4x F = 3n² - 2n² C = y + 3y G = 5x - 4x + 12x D = 4x - x H = 6a+ 1lb - 2a
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scherrer772014
Question
Exercice 5: Réduire : A = 5xn+7xn E = 3y-3y B = 9x - 4x F = 3n² - 2n² C = y + 3y G = 5x - 4x + 12x D = 4x - x H = 6a+ 1lb - 2a
1 Réponse
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1. Réponse hirondelle52
bonjour,
A = 5xn+7xn
= 12xn
E = 3y-3y
=O
B = 9x - 4x
= 5x
F = 3n² - 2n²
= n²
C = y + 3y
= 4y
G = 5x - 4x + 12x
= 13x
D = 4x - x
= 3x
H = 6a+ 1lb - 2a
6a-2a = 4a
+ 1lb??