October 2018 1 39 Report

Opuść nawias i zredukuj wyrazy podobne:

a) 6a(a+1)-g(a²-a)+8a²=

b)2x²(x+1)+8²(1-x)+x³=

c)k²(1-3k)+3(k²-1)-(k²-1)-(k²-3)+1=

d)3a²(-a+3)-2a(4a+1)-a²=

e)4a(4a-1)-2a(4a²-a-2)-2a²=


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