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Mathematics, 19.02.2021 22:30 cici170

-x^2-7x=18
3x^2-7x-2=0
x^2+8x-65=0

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Answers: 3

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You know the right answer?
-x^2-7x=18
3x^2-7x-2=0
x^2+8x-65=0

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