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Julli [10]
3 years ago
7

What is the value of the expression: x2 + y2 + x - y

Mathematics
1 answer:
Lelu [443]3 years ago
8 0

Answer:    6

Step-by-step explanation:

x^2+y^2+x-y

Put x=-1 and y=1

(-1)^2+(3)^2+(-1)-(3)

1+9-1-3

10-4

6

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