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Eliselamideloywejf
@Eliselamideloywejf
May 2019
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Bonsoir, pouvez vous me faire cet exercice avec les détails svp, c’est l’exercice 4
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nouzha
A/(x-1)(2x+5)=2x²+5x-2x-5=2x²+3x-5
b/(4-2x)(5x-9)=20x-36-10x²+18x=38x-10x²-36
c/(-x+1)(x-1)=-x²+x+x-1=-x²+2x-1
d/(-3-2x)(-6-3x)=18+9x+12x+6x²=18+21x+6x²
ex 4///
4-2x(3x+5)=4-6x²-10x
(-4*3x)(x*9)=-12x*9x=108x²
(3x+9)²==3x²+2(27x)+81=3x²+54x+81
(7x-8)(4x-6)+10=28x²-42x-32x+48+10=28x²-74x+58
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eliselamideloywejf
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nouzha
4-2x(3x+5)=4-6x²-10x (-4*3x)(x*9)=-12x*9x=108x² (3x+9)²==3x²+2(27x)+81=3x²+54x+81 (7x-8)(4x-6)+10=28x²-42x-32x+48+10=28x²-74x+58
nouzha
c'est l'exercice 4
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b/(4-2x)(5x-9)=20x-36-10x²+18x=38x-10x²-36
c/(-x+1)(x-1)=-x²+x+x-1=-x²+2x-1
d/(-3-2x)(-6-3x)=18+9x+12x+6x²=18+21x+6x²
ex 4///
4-2x(3x+5)=4-6x²-10x
(-4*3x)(x*9)=-12x*9x=108x²
(3x+9)²==3x²+2(27x)+81=3x²+54x+81
(7x-8)(4x-6)+10=28x²-42x-32x+48+10=28x²-74x+58