1,9(−4x−5)=-7,6х-9,5
−8t²(2t¹²−3k)+5(4t¹⁴−2k)=-16t¹⁴+24kt²+20t¹⁴-10k=4t¹⁴+24kt²-10k
−1,2(z+y−t)=-1,2z-1,2y+1,2t
5(5a²−7a+9)=25a²-35a+45
1,9(−4x−5)=-7,6х-9,5
−8t²(2t¹²−3k)+5(4t¹⁴−2k)=-16t¹⁴+24kt²+20t¹⁴-10k=4t¹⁴+24kt²-10k
−1,2(z+y−t)=-1,2z-1,2y+1,2t
5(5a²−7a+9)=25a²-35a+45