Ответ Автор - Alexandr130398 (m2-10m)/(m2-64)-(6m-64)/(m2-64)=(m2-10m-6m-64)/(m2-64)=(m²-16m-64)/(m-8)(m+8)=(m-8)²/(m-8)(m+8)=(m-8)/(m+8)