Respuesta :

Vimal1

Answer:

2(x-4) + 3x -x2

Substitute 3 for x

2(3-4) + 3(3) -(3)2

Evaluate

2(-1) + 9 - 9

-2 + 9 - 9

-2

kevinbentch

Answer:

The Answer is: B. -2.

Step-by-step explanation:

2(x - 4) + 3x - x^2 =

2x - 8 + 3x - x^2 =

Let x = 3

2(3) - 8 + 3(3) - 3^2 =

6 - 8 + 9 - 9 =

6 - 8 = -2

Proof:

2(3 - 4) + 9 - 9 =

2(-1) = -2

Otras preguntas

Q&A Education