Сократите дробь \(\Large\frac{15a^2-10ab}{3ab -2b^2}.\)
\(\Large\frac{5a}{b}\)
\(\Large\frac{5a-5}{b^2}\)
\(\Large\frac{5ab}{b^2}\)
\(\Large\frac{25a^3b}{6a^2b^2}\)