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avicene
@avicene
January 2021
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BONJOUR j'ai besoin d'aide svp merci de m'aider au plus vite :
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nonotata
Bonjour
a =(2x+1)² +2(2x-4)
a = 4x²+4x+1+4x-8
a = 4x²+8x-7
b =(3x-2) -4(x+2)
b = 3x-2-4x-8
b = -x-10
c = (4x-3)² -(2x+1)(3x-2)
c = 16x²-24x+9 -(6x²-4x+3x-2)
c = 16x²-24x+9-6x²+x+2
c = 10x²-23x+11
d = ?
e =(2x-4)(x-4) -(x-4)(3x+2)
(x-4)(2x-4-3x+2)
(x-4)(-x-2)
f = (x-2)² +(x-2)(4x-7)
(x-2)(x-2+4x-7)
(-2x)(5x-9)
g =(2x-4)² -(3x+5)²
(2x-4-3x-5)(2x-4+3x+5)
(-x-9)(5x+1)
h =(-4x+1)(7x-8) + (x-7)(-4x+1)
(-4x+1)(7x-8+x-7)
(-4x+1(8x-15)
e =(x-4)(-x-2) =0
x-4 =0 -x-2 =0
x =4 -x = 2
x = -2
je te laisse faire les autres si tu as un soucis tu me le dis
1 votes
Thanks 1
avicene
je te remercie beaucoup
nonotata
je t en prie
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Lista de comentários
a =(2x+1)² +2(2x-4)
a = 4x²+4x+1+4x-8
a = 4x²+8x-7
b =(3x-2) -4(x+2)
b = 3x-2-4x-8
b = -x-10
c = (4x-3)² -(2x+1)(3x-2)
c = 16x²-24x+9 -(6x²-4x+3x-2)
c = 16x²-24x+9-6x²+x+2
c = 10x²-23x+11
d = ?
e =(2x-4)(x-4) -(x-4)(3x+2)
(x-4)(2x-4-3x+2)
(x-4)(-x-2)
f = (x-2)² +(x-2)(4x-7)
(x-2)(x-2+4x-7)
(-2x)(5x-9)
g =(2x-4)² -(3x+5)²
(2x-4-3x-5)(2x-4+3x+5)
(-x-9)(5x+1)
h =(-4x+1)(7x-8) + (x-7)(-4x+1)
(-4x+1)(7x-8+x-7)
(-4x+1(8x-15)
e =(x-4)(-x-2) =0
x-4 =0 -x-2 =0
x =4 -x = 2
x = -2
je te laisse faire les autres si tu as un soucis tu me le dis