Given
f(x)= 2x2 + 5x - 17, find f(-1).

Step by Step Solution:

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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:

687.09 dollars       happy now

step-by-step explanation: 6870

1857 times .63 equals 1169.91 subtract that from 1857 you get 687.09