Respuesta :

You plug in -1 wherever you see x
So here is the work:
F(-1)= 2*2 +5(-1) -17
= 4 + -5 -17
= -18

Let me know if this helped!

Answer:

Step by Step Solution:

More Icon

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  

Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    f*(x)-(2*x^2+5*x-17)=0  

STEP

1

:

Equation at the end of step 1

 fx -  ((2x2 +  5x) -  17)  = 0  

STEP

2

:

Equation at the end of step 2

 fx - 2x2 - 5x + 17  = 0  

STEP

3

:

Solving a Single Variable Equation

3.1     Solve   fx-2x2-5x+17  = 0

In this type of equations, having more than one variable (unknown), you have to specify for which variable you want the equation solved.

Step-by-step explanation: