Question

T) (m + 5)² - (m + 4)(m - 4);геометрия

Answer 1

Ответ: ↓

${(m - 5)}^{2} - (m + 4)(m - 4) = {m}^{2} - 10m + 25 - {m}^{2} + 16 = - 10m + 41$