Question

⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️⚠️
9х²+4y²+12xy​

Answer 1

9x² + 4y² + 12xy = (3x)² + 2 · 3x · 2y + (2y)² = (3x + 2y)²;