Bonjour,
a)
2(x+1-2) = 2(x-1
b)
x(3+7x)
c)
6(x+1)
d)
(3x+2)( 4x +7)
e)
IR
(x(3)(x+3)
f)
(x+1-6) (x+1+6)
= (x-5) ( x+7)
g)
(x-2)²)(x-2) -5²
(x-2-5)(x-2+5) ( x-2)
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Bonjour,
a)
2(x+1-2) = 2(x-1
b)
x(3+7x)
c)
6(x+1)
d)
(3x+2)( 4x +7)
e)
IR
(x(3)(x+3)
f)
IR
(x+1-6) (x+1+6)
= (x-5) ( x+7)
g)
(x-2)²)(x-2) -5²
(x-2-5)(x-2+5) ( x-2)