vonnielopez2004 vonnielopez2004

10-09-2020
Mathematics

contestada

What is the value of the expression
x2 + y2 + x - y
when x = -1 and y = 3

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josiah155110 josiah155110

10-09-2020

Answer:

ahhh i dont remeber

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grubbev grubbev

10-09-2020

the answer is -1+9-1-3=10 but before this step you need to put -1 square + 3 square + (-1) - 3

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