shayshayshay1432 shayshayshay1432

13-02-2019
Mathematics

contestada

value of - x2 - 4x -11 if x = -3

Respuesta :

sparklyypillss sparklyypillss

13-02-2019

Answer:

-8

Step-by-step explanation:

-x^2 - 4x - 11

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

-9 -(-12) - 11

-9 + 12 - 11

3 - 11

-8

Answer Link

wegnerkolmp2741o wegnerkolmp2741o

13-02-2019

Answer:

-8

Step-by-step 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

Answer Link

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