zapisz w postaci sumy algebraiczneja) -3(2x+7)b)-4(a-b)c)7(5-c)d)-12(-1/3+z)e) a(a-b)
a) -6x-21
b) -4a+4b
c)35 - 7c
d)12/3- 12z
e) a kwadrat - ab
-3(2x+7)=-6x+21
-4(a-b)=-4a+4b
7(5-c)=35-7c
-12(-1/3+z)=4 -12z
a(a-b)=a do kwadratu -ab
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a) -6x-21
b) -4a+4b
c)35 - 7c
d)12/3- 12z
e) a kwadrat - ab
-3(2x+7)=-6x+21
-4(a-b)=-4a+4b
7(5-c)=35-7c
-12(-1/3+z)=4 -12z
a(a-b)=a do kwadratu -ab