Ответ №1
=p² -(x² -6x +9) =p² -(x -3)² =
=(p -(x -3))*(p +(x -3)) =
=(p -x +3)(p +x -3)
Ответ №1
=p² -(x² -6x +9) =p² -(x -3)² =
=(p -(x -3))*(p +(x -3)) =
=(p -x +3)(p +x -3)
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