Question

add:
i) 2x²-y²-1, 2y²-1-x²,2-x²-y²


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Answer 1

""" ❤️ Answer ❤️ """

2x² - y²= 1

-x²+2y²=1

-x²-y²= - 2

0. 0. 0

Answer 2

Answer:

x^2-y^2-1+y^2-1-x+1-x^2-y^2 =-y^2-1-x

Step-by-step explanation:

ANSWER: -y^2-1-x

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