Bonjour,
I=5(7x+8)
I=5*7x+5*8
I=35x+40
J=4(9-7x)
J=4*9+4*(-7x)
J=36-28x
J=-28x+36
K=-6x(3x-11)
K=-6x*3x+(-6x)*(-11)
K=-18x²+66x
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Bonjour,
I=5(7x+8)
I=5*7x+5*8
I=35x+40
J=4(9-7x)
J=4*9+4*(-7x)
J=36-28x
J=-28x+36
K=-6x(3x-11)
K=-6x*3x+(-6x)*(-11)
K=-18x²+66x