Question

4) 16m² - (3 - 4m)(3 + 4m); 5) (2x - 1)² + (2x + 1)²;
Помогите умоляю​

Answer 1

Ответ:

$16m ^{2} - (3 - 4m)(3 + 4m) = 32m ^{2} \\ (2x - 1)2 + (2x + 1)2 = 4x - 2 + 4x + 2 = 8x.$