Bonjour
A=(x-3)(-x+5)pour x=4
A = (4-3)(-4+5)
(1)(1)
1
B=x+3x-12pour x=-3
-3+3(-3) -12
-3-9-12
-24
C=4x-5x-6pourx=2
4(2)-5(2)
8-10
-2
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Bonjour
A=(x-3)(-x+5)pour x=4
A = (4-3)(-4+5)
(1)(1)
1
B=x+3x-12pour x=-3
-3+3(-3) -12
-3-9-12
-24
C=4x-5x-6pourx=2
4(2)-5(2)
8-10
-2