👤

1. 3 x (x + 2) = 0
2. 5x(x-3) = 0
3. (x +3)(×+4)=0
4. (x + 5) (x-6)=0​


Sagot :

Answer:

1. 3x² + 6x = 0

2. 5x² - 15x = 0

3. x² + 7x + 12 = 0

4. x² + 11x + 30 = 0