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just olya
[345]
3 years ago
5
How can x2 = x2 + 2x + 9 be set up as a system of equations?
Mathematics
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1
answer:
arsen
[322]
3 years ago
7
0
X2=x2+2x+9
x2-x2=2x+9
2x+9=0
2x=-9
x=-9/2
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