Respuesta :

salightblue

Answer:

[tex]-9x^2-8x-1[/tex]

Step-by-step explanation:

[tex](-5x^2-4x-1)+(-4x^2-4x)[/tex]

[tex]-5x^2-4x-1-4x^2-4x[/tex]

[tex]-9x^2-8x-1[/tex]

actionsportsworld

Answer:

-9x^2-8x-1

Step-by-step explanation:

(-5x^2-4x-1)+(-4x^2-4x)

add like terms

(-5x^2)+(-4x^2)= -9x^2

(-4x)+(-4x)= -8x

-9x^2-8x-1

hoped this helped :)

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