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Fraisi95
@Fraisi95
May 2019
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Bonjour a tous, j'aimerais votre aide pour mon devoirs de mathématique le voici :
Il faut déterminez la forme développée des expressions suivantes :
(6x + 8)² =
(8x- 1)² =
(-3x-2)(2-3x) =
(-10x-6)² =
f (x) = (9x/7 - 3/8) (9x/7 + 3/8 ) =
f (x) = (-3x - 3/8) (3/8 - 3x ) =
(-4x/5 - 5/4)²=
(9x/4 - 10/9)² =
Merci d'avance, et petite précision : le "/" signifie une barre de fraction et
le "x" signifie un petit X
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MonsieurFirdown
Verified answer
Bonjour
(6x+8)^2 = identité remarquable a^2+2ab+b^2
(8x-1)^2=identité remarquable a^2-2ab+b^2
(10x-6)^2=identité remarquable a^3-2ab+b^2
(-3x-2)(2-3x) = double distributivité
.......
2 votes
Thanks 1
MonsieurFirdown
dacc je les fait rapidement et je t'envoie plutard
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Lista de comentários
Verified answer
Bonjour(6x+8)^2 = identité remarquable a^2+2ab+b^2
(8x-1)^2=identité remarquable a^2-2ab+b^2
(10x-6)^2=identité remarquable a^3-2ab+b^2
(-3x-2)(2-3x) = double distributivité
.......