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5 votes
Evaluate the expression below when x= -1.
2x2 - 5
X + 9

1 Answer

5 votes

Answer:

2x^2-5=-3

X+9=8

Explanation:

Assuming those are 2 expressions:

2x^2-5

=2(-1)^2-5

=2-5

=-3

X+9

=-1+9

=8

User Slava Vedenin
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