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NWayne
@NWayne
June 2021
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4 petits calculs rapides svp
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cavalier
E= 5X 2x +5X3 + 3X4x+3X2
= 10x + 15 + 12x+6
= 22x +21
F= 6X2x - 6X4-(3X4 + 3X-5x)
= 12x - 24 - (12-15x)
= 12x -24 -12+ 15x
= 27x -36
G= 3x+5+4x-8
= 7x-3
H= 2x-7-4x-3
= -2x -10
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NWayne
Merci
suziechavigny
E= 5 (2x+3) + 3 (4+2)
E= 5 X 5x +3 X 6x
E= 25x + 18x
E= 43x
désolé je n'ai que le E.
j'espère t'avoir quand même aidé.
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cavalier
Ton raisonnement est faux, tu mets X 5x alors que c'est 2x
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Lista de comentários
= 10x + 15 + 12x+6
= 22x +21
F= 6X2x - 6X4-(3X4 + 3X-5x)
= 12x - 24 - (12-15x)
= 12x -24 -12+ 15x
= 27x -36
G= 3x+5+4x-8
= 7x-3
H= 2x-7-4x-3
= -2x -10
E= 5 X 5x +3 X 6x
E= 25x + 18x
E= 43x
désolé je n'ai que le E.
j'espère t'avoir quand même aidé.