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Evaluate the following expression when X = -4 X to the power of 2 +2x-9

Evaluate the following expression when X = -4 X to the power of 2 +2x-9
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4 votes
Evaluate the following expression when X = -4 X to the power of 2 +2x-9

asked
User Boyenec
by
7.4k points

1 Answer

2 votes

Answer:

-1

Explanation:

X = -4

so x^2+ 2x -9 = (-4)^2 + 2*(-4) - 9

= 16 - 8-9

= 8-9

= -1

answered
User Alserda
by
8.0k points
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