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Bello
31 December, 21:21
Evaluate - x2 + x-1 forx=-1
+2
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2
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Tanya Miles
31 December, 22:50
0
-3
Step-by-step explanation:
-x^2 + x-1
Let x = - 1
- (-1) ^2 + (-1) - 1
- 1 - 1 - 1
-3
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Cristian Elliott
31 December, 23:31
0
0
Step-by-step explanation:
the equation after plugging in "x" is
- (-1) * (2) + (-1) - 1
then after multiplication it is
2-1-1
this becomes 0
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