Bonjour
a)
(x-11)(x+11)
a²-b²
b)
(3y+2)²
(a+b)²
c)
(x-13)²
(a-b)²
d)
(12x +6)²
e)
a² -b²
(3x+1 -2x)( 3x+1+2) = (x+1)(3x+3)
f)
(3t -4)²
g)
(11x -1) ²
h)
a²-b² =(a-b) (a+b)
(x+1-3)(x+1+3) = (x-2) (x+4)
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Bonjour
a)
(x-11)(x+11)
a²-b²
b)
(3y+2)²
(a+b)²
c)
(x-13)²
(a-b)²
d)
(12x +6)²
(a+b)²
e)
a² -b²
(3x+1 -2x)( 3x+1+2) = (x+1)(3x+3)
f)
(3t -4)²
(a-b)²
g)
(11x -1) ²
(a-b)²
h)
a²-b² =(a-b) (a+b)
(x+1-3)(x+1+3) = (x-2) (x+4)