Question

the sum of x-2y, x²+y and -2x²+y-x​

Answer 1

Answer:

answer is -x^2

Step-by-step explanation:

x - 2y

x^2 + y

-2x^2 -x +x

-x

Answer 2

Answer:

-x²

Step-by-step explanation:

x-2y+x²+y+(-2x²+y-x)

= x-2y+x²+y-2x²+y-x

= x²-2x²+x-x+y+y-2y

= -x²+0+0

= -x²

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