23CampL02 23CampL02

21-08-2019
Mathematics

contestada

Can someone please help me with this. Show your work please.

-2x² - 5x
if x = -4

Respuesta :

ritapeterict ritapeterict

21-08-2019

Answer:

-2x^2 - 5x

= -2-4^2 - 5*-4

= -2(-4 * -4 ) - (-20)

= -2(-16) +20

= -32 + 20

= -12

Step-by-step explanation:

Answer Link

LionsLlamasLibb LionsLlamasLibb

21-08-2019

-2(-4)^2 - 5(-4) =

-2(16) - (-20) =

(-32) - (-20) =

-12

Answer Link

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