Question

pls find this answer it's from chapter identities ​

Answer 1

Answer:

x²+y²+16+2xy+8x+8y

Step-by-step explanation:

${(x + y + 4)}^{2} \\ = \: {x}^{2} + {y}^{2} + {4}^{2} + 2(xy) + 2(4y) + 2(4x) \\ = {x}^{2} + {y}^{2} + 16 + 2xy + 8x + 8y$

Hope It Helps:)