shunnawillis0 shunnawillis0

08-10-2019
Mathematics

contestada

what is the value of -2x^2-4x-11 if x=-3

Respuesta :

harpazo harpazo

08-10-2019

Replace every x with -3.

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

-2(9) + 12 - 11

-18 + 1

-17

Answer Link

lozzymp lozzymp

08-10-2019

Answer:

10

Step-by-step explanation:

-2x^2 = - -3^2

= 9

9-4x = 9- -12

= 21

21-11= 10

Answer Link

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