Respuesta :

KhaRNate

-2 x^2 + 8x and x = -6 //Substitute x for -6.

-2(-6)^2 + 8(-6) //Solve.

NOTE: (-)^2 is +. Negative square is positive.

-2(36) - 48

-72 - 48 //Two negative numbers, add but has negative sign.

-120

Answer: D

//Hope this helps.

ellyng10

Answer: D. -120

Step-by-step explanation:

-2ₓ² + 8ₓ

-2(-6)^2 + 8(-6)

-2(36) + -48

-72 + -48

-120

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