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Silfea
@Silfea
July 2021
2
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Упростите выражение: (x–2)^2 +(4–x)(x+3)
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ZewSlava
X2-4x+4+4x+12-x2-3x x2,-х2 и 4х,-4х взаимо уничтожаются 16-3х
1 votes
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savelevaI
(х-2)^2+(4-х)(х+3)=х^2+4х+4+4х+3х-х^-3х=8х+4
2 votes
Thanks 3
savelevaI
ой,ошибачка)))сорь
savelevaI
эт не верно
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