annonomous12 annonomous12

03-06-2019
Mathematics

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

Respuesta :

vikaminia2013 vikaminia2013

03-06-2019

Answer:

2x^2-5=-3

X+9=8

Step-by-step explanation:

Assuming those are 2 expressions:

2x^2-5

=2(-1)^2-5

=2-5

=-3

X+9

=-1+9

=8

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