Odpowiedź:
1.(-3a^3b)(-2ab^4) = 6a^4b^5
2.(2x-5)-(3-6x)+(4x+1) = 2x - 5 - 3 + 6x + 4x + 1 = 12x - 7
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Odpowiedź:
1.(-3a^3b)(-2ab^4) = 6a^4b^5
2.(2x-5)-(3-6x)+(4x+1) = 2x - 5 - 3 + 6x + 4x + 1 = 12x - 7