Photos X2 6X

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X2 6x. X2-6x=16. X^2-6x-16=0. -X^2+X+6>0 неравенство. X^2+X-6.
X2-6x=16. X^2-6x-16=0. -X^2+X+6>0 неравенство. X^2+X-6.

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