September 2018 2 21 Report

a) 2a^2 + 7 = a(1+2a)

b) 3a(a – 1) = a(3a-2)

c) 2a – a^2 + a(2 + a)= a + 18

d) a^2 + 5 = 5a(0,2a + 3)

Proszę o szybkie rozwiązanie równań !


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