Question

помогите,алгебра..пж

Answer 1

1) m/(m+10)² - m/(m²-100) = m/((m+10)(m+10)) - m/((m-10)(m+10)) = (m(m-10)-m(m+10))/((m+10)²*(m-10)) = (m²-10m-m²-10m)/((m+10)²*(m-10)) = -20m/((m+10)²*(m-10))

2)k/5u+3k/2u = (k*2 + 3k* 5)/10u = (2k+15k)/10u = 17k/10u