Respuesta :

Answer:

plug in -3 where any x is in the equation.  I reccomend doing it in parenthesis just so things work out nicely

Step-by-step explanation:

[tex]x^2-x^3\\(-3)^2-(-3)^3\\(-3*-3)-(-3*-3*-3)\\(9)-(-27)\\9+27\\36[/tex]

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Just substitute the value -3 into 'x':

f(-3) = (-3)^3 - (-3)^3

f(-3) = 9 - (-27)

f(-3) = 36

Hope This Helps You!

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