Question

ДАЮ 35 БАЛЛОВ!!! Помогите

Answer 1

$\displaystyle\bf\\\frac{0,09m^{2}-1 }{0,09m^{2}+0,6m+1 } =\frac{(0,3m+1)(0,3m-1)}{(0,3m+1)^{2} }=\frac{0,3m-1}{0,3m+1}$