Question

Does the equation
x²+2xy+y²+2x+2y+2=0 represent a pair of lines ?​

Answer 1

Step-by-step explanation:

x²+2xy+y²+2x+2y+2=0

(x+y)²+2(x+y)=-2

(x+y)(x+y+2)=-2

Answer 2

Answer:

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