Question

Сократите дробь 25-x^2/3x^2-11x-20

Answer 1

$frac{25- x^{2} }{3 x^{2} -11x-20} = frac{(5-x)(5+x)}{3(x-5)(x+ frac{4}{3}) } = - frac{x+5}{3x+4}$