Question

Expand (3x+2y) square

Answer 1

Answer:

$9x {}^{2} + 12xy + 4y {}^{2}$

Step-by-step explanation:

(3x+2y)²

(3x)² + 2×3x×2y + (2y)² [ Using the identity (a+b)² = a² + b² + 2ab ]

9x² + 12xy + 4y²

Answer 2

(3x+2y)=3x²+2×3xx2y +2y²

9x²+12xy+4y²