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20 votes
Evaluate −x^2+4x+1 when x=−2.

2 Answers

14 votes

-(-2)²+4(-2)+1

-(4)-8+1

-4-7

-11

User Allbite
by
8.9k points
4 votes

Hey there!

In order to evaluate this expression, we need to plug in the value of x (-2)

So we have

-x²+4x+1

plug in -2

-(-2)²+4(-2)+1

-4-8+1

-12+1

-11

Hence, the answer's


\boxed{\boxed{\bold{-11}}}

Hope everything is clear.

Let me know if you have any questions!

#ILoveLearning

:-)

User Jeffery Grajkowski
by
8.4k points

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