👤

3x2-9x=0
5x2-25=0 urgeeent​


Răspuns :

3*2-9x=0
3*2-3*3x=0
3(2-3x)=0 |:3
2=3x => x=2/3


5*2-25x=0
5*2-5*5x=0
5(2-5x)=0 |:5
2=5x => x=2/5