(x-5)(x-6)=0
x-5=0 и х-6=0
х=5 и х=6
_____________________
(х+1,6)(х+0,2)(х-9)=0
х+1,6=0 и х+0,2=0 и х-9=0
х=-1,6 и х=-0,2 и х=9
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Answers & Comments
(x-5)(x-6)=0
x-5=0 и х-6=0
х=5 и х=6
_____________________
(х+1,6)(х+0,2)(х-9)=0
х+1,6=0 и х+0,2=0 и х-9=0
х=-1,6 и х=-0,2 и х=9