Question

Спростіть вираз! Помогите пж!!!!!!!!!!!!!!!!!

Answer 1

$frac{m - frac{14m - 49}{m} }{ frac{7}{m} - 1 } = frac{ frac{ {m}^{2} - 14m + 49}{m} }{ frac{7 - m}{m} } = \ = frac{ {(m - 7)}^{2} }{m} times frac{m}{7 - m} = \ = frac{ {(m - 7)}^{2} }{m} times frac{m}{ - (m - 7)} = \ = -( m - 7) = 7 - m$