Bonsoir,
Factoriser :
I = 5,5-11a
I = 11/2-11a
I = 11/2(1-2a)
J = -0,7+7x
J = -7/10+7x
J = -7(1/10-x)
J = -7×1/10(1-10x)
J = -7/10(1-10x)
K = -2,1z+6,3
K = -21/10z+6,3
K = -21/10z+63/10
K = -21/10(z-3)
L = 0,5b+0,5
L = 1/2b+0,5
L = 1/2b+1/2
L = 1/2(b+1)
/ = fraction.
Bonne soirée.