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teddycherie
@teddycherie
January 2021
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SVP j'ai vraiment besoin de votre aide, c'est pour du calcul littéral : Tout l'exercice 1, 3,4 Mais vous faites celui que vous voulez du moment que c'est juste ^^
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khawla8
Ex1: j/(x+7)(3-2x)+(5x-2)(4x+1)
=3x-2x²+21-14x+20x²+5x-8x-2
= -14+18x²+19
k/(5x-2)(5x-8)-(3x-5)(x+7)
= 25x²-40x-10x+16-(3x²+21-5x-35)
=25x²-50x+16-3x²-21x+5x+35
=22x²-66x+51
c/3(4x+7)+4(2x-9)
=12x+21+8x-36
=20x-15
ex4: 5(x+3)=3+(2x-6)
5x+15=3+2x-6
5x-2x=3-6-15
3x=-18
x= -18/3
x= -6
1 votes
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=3x-2x²+21-14x+20x²+5x-8x-2
= -14+18x²+19
k/(5x-2)(5x-8)-(3x-5)(x+7)
= 25x²-40x-10x+16-(3x²+21-5x-35)
=25x²-50x+16-3x²-21x+5x+35
=22x²-66x+51
c/3(4x+7)+4(2x-9)
=12x+21+8x-36
=20x-15
ex4: 5(x+3)=3+(2x-6)
5x+15=3+2x-6
5x-2x=3-6-15
3x=-18
x= -18/3
x= -6