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eliotsavin
@eliotsavin
June 2021
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Bonjour
j'ai un exercice que je n'arrive mais simple est ce que ont peut m'aider merci d'avance
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lou020206
Bonjour,
A= 2*4x+2*(-1)+1+8x
= 8x+(-2)+1+8x
= 16x-1
B=3*x+3*(-2)-(-1-3x)
=3x+(-6)-1+3x
=6x-7
C= (ici c’est une double distributivité)
= 2x*3x+2x*2+1*3x+1*2
=6x^2+4x+3x+2
=6x^2+7x+2
Voilà j’espère que ça t’auras aidé :)
Au cas où : * veut dire multiplier et ^ veut dire exposant exemple 6^2 = 6 au carré
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Lista de comentários
A= 2*4x+2*(-1)+1+8x
= 8x+(-2)+1+8x
= 16x-1
B=3*x+3*(-2)-(-1-3x)
=3x+(-6)-1+3x
=6x-7
C= (ici c’est une double distributivité)
= 2x*3x+2x*2+1*3x+1*2
=6x^2+4x+3x+2
=6x^2+7x+2
Voilà j’espère que ça t’auras aidé :)
Au cas où : * veut dire multiplier et ^ veut dire exposant exemple 6^2 = 6 au carré