Factoriser en détaillant :
A= 4(x+1)-3x(x+1)+(x+1)(5x-7)
B= 3(x-2)²+4x(x-2)
D= 2x(x-4)-4x²
Merci d'avance
A= 4(x+1)-3x(x+1)+(x+1)(5x-7)
B= 3(x-2)²+4x(x-2)
D= 2x(x-4)-4x²
Merci d'avance
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=(x+1)(2x-3)
B=(x-2)(3(x-2)+4x)
=(x-2)(3x-6+4x)
(x-2)(7x-6)
D=2xcarré-8x-4xcarré
=-2xcarré-8x
=-2x(x+4)
a =(x+1)(4-3x+5x-7)
a =(x+1)(2x-3)
B= 3(x-2)²+4x(x-2)
b = 3(x-2)(x-2)+4x(x-2)
b = (x-2)(3x-6+4x)
b =(x-2)(7x-6)
D= 2x(x-4)-4x²
d = 2x(x-4) -(2x)²
d = 2x(x-4-2x)
d = 2x(-x-4)