1) х²+5х=0
х(х+5)=0
х1=0
х+5=0
х2= -5
2) х²+5х+0=0
Д=5²-4*1*0=25
х1=(-5+5)/2=0
х2=(-5-5)/2=-10:2= -5
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Verified answer
1) х²+5х=0
х(х+5)=0
х1=0
х+5=0
х2= -5
2) х²+5х+0=0
Д=5²-4*1*0=25
х1=(-5+5)/2=0
х2=(-5-5)/2=-10:2= -5