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Настя200316
@Настя200316
July 2022
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-а²+6а-9=?
ав³-ва³=?
3х-3у+х²у-ху²=?
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Margaret322
-a^2+6a-9=-(a^2-6a+9)=-(a-3)^2
ав^3-ва^3=ав (в^2-а^2)=ав (а+в)(-а+в)
3х-3у+х^2у-ху^2=(х-у)(3+ху)
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Answers & Comments
ав^3-ва^3=ав (в^2-а^2)=ав (а+в)(-а+в)
3х-3у+х^2у-ху^2=(х-у)(3+ху)