February 2019 0 20 Report
Wyrażenie -4a-8a^2+5-(-2+a^2-3a) można zapisać w postaci

a) -7a^2-72+3 b) -9a^2-a+3 c) -7a^2-7a+7 d)-9a^2-a+7

pomóżcie daję 15 pkt

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