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3 votes
Value of - x2 - 4x -11 if x = -3

User Audriana
by
4.5k points

2 Answers

6 votes

Answer:

-8

Explanation:

-x^2 - 4x - 11

-(-3)^2 - 4(-3) - 11

-9 -(-12) - 11

-9 + 12 - 11

3 - 11

-8

User Parag Doke
by
4.5k points
5 votes

Answer:

-8

Explanation:

- x2 - 4x -11

Let x = -3

- (-3)^2 -4(-3)-11

Exponents first

-9 -4(-3) -11

Then multiply

-(9) +12-11

Now add and subtract

3-11

-8

User JuanO
by
5.1k points