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September 2021
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pridachina
5)4х^2-12x-2=x^2-2
4х^2-
x^2-12х=-2+2
3х^2-12х=0
х(3х-12)=0
х=0 или 3х-12=0;3х=12;х=4
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Answers & Comments
4х^2-x^2-12х=-2+2
3х^2-12х=0
х(3х-12)=0
х=0 или 3х-12=0;3х=12;х=4