August 2018 2 91 Report
Hitung hasil operasi aljabar berikut!
a. 7a²-(-9a²)+5b=
b.9a-a²-6a-(-a²)=
c.x²-2x-(-3x²)-3+(-x)-9=
d.3ab-9+(-7ba)-a=
e.-3ab+5bc-(-2bc)-ab=

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