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# Polynomial Equation Solver Calculator

**Polynomial Equation Solver Calculator** calculates the value of the variable for a given polynomial. The standard form of a polynomial refers to writing a polynomial in the descending power of the variable.

## What is Polynomial Equation Solver Calculator?

Polynomial Equation Solver Calculator is an online tool that helps to calculate the value of the variable for a given polynomial. This online polynomial equation solver calculator helps you to calculate the value of the variable in a few seconds.

### Polynomial Equation Solver Calculator

**NOTE:** Please enter the polynomial only in terms of 'x'.

## How to Use Polynomial Equation Solver Calculator?

Please follow the steps below to find the value of x using an online polynomial equation solver calculator:

**Step 1:**Go to Cuemath’s online polynomial equation solver calculator.**Step 2:**Enter the polynomial in the given input box of the polynomial equation solver calculator.**Step 3:**Click on the**"Solve"**button to find the value of x.**Step 4:**Click on the**"Reset"**button to clear the field and enter a new polynomial.

## How Polynomial Equation Solver Calculator Works?

A **polynomial** is defined as a type of expression in which the exponents of the variable should be a whole number.

A polynomial with a degree of 1 is known as a linear polynomial.

A polynomial with a degree of 2 is known as a quadratic polynomial.

A polynomial with a degree of 3 is known as a cubic polynomial.

A polynomial with a degree of 4 is known as a quartic polynomial.

A polynomial with a degree of 5 is known as a quintic polynomial.

A polynomial with a degree(n) greater than 5 is known as an nth degree polynomial.

A polynomial with any degree equates it to zero and finds the value of x for a given polynomial.

Let us understand this with the help of the following example.

**Solved Examples on Polynomial Equation Solver Calculator**

**Example 1:**

Solve the value of x for given x^{2} - 25 = 0 and verify it using the polynomial equation solver calculator?

**Solution**:

x^{2} - 25 = 0

x^{2} = 25

x = +5, -5

Therefore, the value of x is -5 and 5

**Example 2:**

Solve the value of x for given x^{3} + 64 = 0 and verify it using the polynomial equation solver calculator?

**Solution**:

x^{3} + 64 = 0

x^{3} = -64

x^{3} = (-4)^{3}

x = -4

Therefore, the value of x is -4

Now, try the polynomial equation solver calculator and find the value of x for:

- 5x
^{4}- 4x + 9 = 0 - 9x
^{2}+ 4 = 0

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