Разложите на множители квадратный трехчлен: -9x^2 + 12x

July 2022 1 5 Report

Разложите на множители квадратный трехчлен:
-9x^2 + 12x - 4

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MizoriesKun -9x^2 + 12x - 4=0
D= 144 -144=0
x=-12/-18 =2/3
-9(x-2/3)(x-2/3)=-3*3*(x-2/3)(x-2/3)=(-3x+2)(3x-2)

(-3x+2)(3x-2)=-9x²+6x+6x-4=-9x²+12x-4

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