Images 1 7X 2 5 4 2X

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1 7x 2 5 4 2x. 7x2-49x 0. X/(X-7)+x2/(49-x 2. (X+7)(2x-5)=0. (X-5)^2.
7x2-49x 0. X/(X-7)+x2/(49-x 2. (X+7)(2x-5)=0. (X-5)^2.

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