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КалистрА
@КалистрА
November 2021
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Разложите на множители:
9у^2-25
4a-a^3
-2a^2+4ac-2c^2
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Answers & Comments
tamarabernukho
9y²-25=(3y-5)(3y+5)
4a-a³=a(4-a²)=a(2-a)(2+a)
-2a²+4ac-2c²=-2(a²-2ac+c²)=-2(a-c)(a-c)
5 votes
Thanks 14
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Answers & Comments
4a-a³=a(4-a²)=a(2-a)(2+a)
-2a²+4ac-2c²=-2(a²-2ac+c²)=-2(a-c)(a-c)