
Concept explainers
To calculate: The simplified form of the equation
Find all the possible zeros of rational function.

Answer to Problem 9CYU
The simplified form of the equation
Explanation of Solution
Given information:
The given equation:
Calculation:
Consider the expression as:
Now take
Here,
This function is not a perfect cube.
So in grouping solve the equation.
As,
Now find the rational possible roots:
The leading coefficient is
Now factor of leading coefficient is:
Now to find the list of positive rational solutions for the expression look at the factors of the constants.
That are:
Here the last two terms subtracting values from the cube of the first and want to get zero,
So as have to take the positive number, and mostly take the less than mid-way.
So take a startup with
So the value is not zero its too grater than zero.
So check with the value
To get zero:
So the value is not zero its too grater than zero.
So check with the value
To get zero:
So check with the value
So the value is zero its rational root.
So check with the value
Here got two real root, it means
Now divide the expression
So the other factor is:
Now find the factors of the expression
The leading coefficient is
Now factor of leading coefficient is:
Now to find the list of positive rational solutions for the expression look at the factors of the constants.
That are:
Here the last two terms subtracting values from the cube of the first and want to get zero,
So as have to take the positive number, and mostly take the less than mid-way.
So take a startup with
So the value is not zero its too grater than zero.
So check with the value
So the value is not zero its too grater than zero.
So check with the value
The rational root is zero.
So the value is zero its rational root.
Here got two real root, it means
Now divide the expression
So the other factor is:
This term has no factors.
Here these two factors are not same so this equation cannot be factored any more and had no rational roots.
Thus, the simplified form of the equation
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Algebra 2
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