Photos X2 7X 0 ДИСКРИМИНАНТ

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X2 7x 0 дискриминант. X2 2x 35 0 решение. X2-35=2x. Х2-2х-35=0. (X-2)(X+2)-(X-5)2.
X2 2x 35 0 решение. X2-35=2x. Х2-2х-35=0. (X-2)(X+2)-(X-5)2.

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