ПОМОГИТЕЕ!! !!((( УМОЛЯЮ!
9x²y³ - x²y³ - 10x²y³ = - 2x²y³ (3x²y)⁴ * (3xy³)² = 81x⁸y⁴ * 9x²y⁶ = 729x¹⁰y¹⁰ (2m²n + 3xy²)² = (2m²n)² + 2 * 2m²n * 3xy² + (3xy²)² = 4m⁴n² + 12m²nxy² + 9x²y⁴ (3k²p² + 2x³y³)² = (3k²p²)² + 2 * 3k²p² * 2x³y³ + (2x³y³)² = 9k⁴p⁴ + 12k²p²x³y³ + 4x⁶y⁶