Сократить дробь \(-\frac{5a^2+19a-4}{1-25a^2}\) .

• \(\frac{a+4}{1+5a}\)
• \(-\frac{a+4}{1+5a}\)
• \(-\frac{a - 4}{1-5a}\)
• \(\frac{a+4}{1-5a}\)