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Санджиев
@Санджиев
July 2022
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Разложители на множители
а) x^3-9x=
б) -5a^2-10ab-5b^2
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polinapoly96
А) x^3-9x= х( x^2 - 9) = x( x-3) (x+3)
б) -5a^2-10ab-5b^2 = -5(a^2+b^2) -10ab = -5( a^2+b^2 +2ab) = -5 (a+b)^2
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Answers & Comments
б) -5a^2-10ab-5b^2 = -5(a^2+b^2) -10ab = -5( a^2+b^2 +2ab) = -5 (a+b)^2