Question

помогите!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

Ответ:

${th}^{2} - tm - {fh}^{2} + nm + fm - {nh}^{2}$

$( {th}^{2} - {fh}^{2} - {nh}^{2} ) - (tm - nm - fm)$

${h}^{2} (t - f - n) - m(t - n - f)$

$(t - f - n)( {h}^{2} - m)$