lilAntwon lilAntwon

13-11-2020
Mathematics

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

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nirvanafire11 nirvanafire11

14-11-2020

Answer:

-1

Step-by-step explanation:

X = -4

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

= 16 - 8-9

= 8-9

= -1

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