Question

(m-2)² - (m+ 1 )(m-3) Решить надо срочно

Answer 1

(m-2)² - (m+ 1 )(m-3) =m^2 -4m+4-(m^2-3m=m-3)=m^2-4m+4-m^2+3m-m+3=-2m+7