Zapisz w postaci sumy algebraicznej:
1. 4a(2a-6b)
2. (3a^2-5b) * (5a-3b^2)
:)
1. 8a^2-24ab
2. 15a^3-9a^2b^2-25ab+15b^3
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1. 8a^2-24ab
2. 15a^3-9a^2b^2-25ab+15b^3