Сократите дробь \(\frac{5c -c^2 }{25 - c^2 }\) .

• \(\frac{c }{5 }\)
• \(\frac{c }{c + 5 }\)
• \(\frac{1 }{c + 5 }\)
• \(\frac{c }{5-c }\)