Question

X square + Y square + 2 X Y + 8 x + 8 Y + 16

Answer 1

(x+y)²=x²+y²+2xy (x+y)²=20+16=36→ x+y=±6 (x-y)²=x²+ y²-2xy (x-y)²=20–16=→ x-y=±2 ∴x²-y²=(x+y)(x-y)=±12.

Answer 2

Answer:

(x+y+4)(x+y+4)

Step-by-step explanation:

Ok

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