# Algebra Examples

,
Substitute using the average rate of change formula.
The average rate of change of a function can be found by calculating the change in values of the two points divided by the change in values of the two points.
Substitute the equation for and , replacing in the function with the corresponding value.
Simplify the expression.
Pull out imaginary unit .
Rewrite as .
Rewrite as .
Rewrite as .
Simplify the expression.
Multiply by to get .
Reorder terms.
Rewrite as .
Factor out of .
Rewrite negatives.
Rewrite as .
Move the negative in front of the fraction.
Reorder factors in .

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