Question

please answer my question ​

Answer 1

Step-by-step explanation:

3² + (4xy)² - 2×3×4xy

= 9 + 16x²y² - 24xy

Answer 2

${(3 - xy)}^{2} \\ = {3}^{2} - 2 \times 3 \times xy + {(xy)}^{2} \\ = 9 - 6xy + {x}^{2} {y}^{2}$