Объяснение:
m^2 - p^2 + 4n^2 - 9q^2 - 4mn - 6pq = m² - p² + 4 n² - 9 q² - 4mn - 6pq =
( m - 2n)² - ( p +3q)²
m²- 4mn + 4 n² = ( m - 2n)²
- p² - 6pq - 9 p² = - (p² + 6pq + 9 q²) = -( p +3q)²
Объяснение:
m^2 - p^2 + 4n^2 - 9q^2 - 4mn - 6pq = m² - p² + 4 n² - 9 q² - 4mn - 6pq =
( m - 2n)² - ( p +3q)²
m²- 4mn + 4 n² = ( m - 2n)²
- p² - 6pq - 9 p² = - (p² + 6pq + 9 q²) = -( p +3q)²