Question

Сократите дробь 2a^2+9a-5/a^2-25

Answer 1

$\frac{2a^2+9a-5}{a^2-25} = \frac{2(a- \frac{1}{2})(a+5) }{(a-5)(a+5)} = \frac{2(a- \frac{1}{2}) }{a-5}$