Développer et simplifier les expressions litterales : A=3(u+3)
B=5(t-1)
C=(x+7)y
D=(y-z)t
E=(-7+a) x 5
F=(3-b)x(-5)
G=-2(3-2x)
H=-3(a+3)
A=3(u+3)
= 3u+3
=5t-5
c=y(x+7)
=yx+7y
d=(y-z)t
=ty-tz
e=5(-7+a)
=-35+5a
f=(3-b)(-5)
=-15+5b
g=(-2)(3-2x)
=-6+4x
h=-3(a+3)
=-3a-9
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A=3(u+3)
= 3u+3
B=5(t-1)
=5t-5
c=y(x+7)
=yx+7y
d=(y-z)t
=ty-tz
e=5(-7+a)
=-35+5a
f=(3-b)(-5)
=-15+5b
g=(-2)(3-2x)
=-6+4x
h=-3(a+3)
=-3a-9