Question

Вынесите общий множитель за скобки: 1) 4a+3a² 2) -20m+30n 3) 5a-15a 4) -6xy+9y

Answer 1

1) a(4+3a);
2) -10(2m-3n);
3) -10a;
4) -3y(2x-3);

Answer 2

1. 4a+3a² = a(4+3a)
2. -20m+30n = -10(2m-3n)
3. 5a-15a = 5a(1-3) = -10a
4. -6xy+9y = -3y(2x-3)