Bonjour,
a)
(2x+5) ( 6x-4 -3x-2 -1)
=(2x+5) ( 3x -7)
b)
IR
(3t-8) (3t+8)
c)
(5x+3)²
d)
(3x-2) ( 5x-7 -x+8)
= (3x-2) ( 4x +1)
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Bonjour,
a)
(2x+5) ( 6x-4 -3x-2 -1)
=(2x+5) ( 3x -7)
b)
IR
(3t-8) (3t+8)
c)
IR
(5x+3)²
d)
(3x-2) ( 5x-7 -x+8)
= (3x-2) ( 4x +1)