1. 0, 2(5х+3) 2. а (4+3а) 3. - 0,5х (4,2-7) 4. 5х (2-3х)+3(5х²-х)-7(х-1) 5. 2а²(3-2а+4а²)...

Question

1. 0, 2(5х+3) 2. а (4+3а) 3. - 0,5х (4,2-7) 4. 5х (2-3х)+3(5х²-х)-7(х-1) 5. 2а²(3-2а+4а²) 6. - 3х²(0,3х-0,7) 7.3а(а²+3а-2) 8.0,4х(3-5х+10х²) 9. 4х²-6х+12 10. 5х³+15х²-25х

Answer 1

В первом х+ 0.6
2) 4а+3а во втором степени