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Paola130373
@Paola130373
May 2019
1
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F= (4x-3)²-(x+3)(3-9x)
1- developpe et reduire (4x-3)²
2- montrer que F = (5x)²
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rosiemuller2000
Verified answer
Coucou
F= (4x-3)²-(x+3)(3-9x)
F = 16x² - 24x + 9 -(3x -9x² + 9 -27x)
F = 16x² -24x +9 -3x +9x² -9 +27x
F = 25x²
voila j'espere t'avoir aider :)
1 votes
Thanks 3
rosiemuller2000
2) F = (5x)(carré) = 25x(carré)
paola130373
cest quoi le 2
rosiemuller2000
le 2 c'est la question 2 montrer que F = (5x)(au carré) j'ai mis la réponse en commentaire parce que je l'avais oublier
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Verified answer
CoucouF= (4x-3)²-(x+3)(3-9x)
F = 16x² - 24x + 9 -(3x -9x² + 9 -27x)
F = 16x² -24x +9 -3x +9x² -9 +27x
F = 25x²
voila j'espere t'avoir aider :)