Related Topics:

More Lessons for A Level Maths

Math Worksheets

Videos, activities, solutions and worksheets that are suitable for A Level Maths.

**How to solve a cubic equation using the factor theorem?**

The factor theorem states that

If f(x) is a polynomial and f(p) = 0 then x - p is a factor of f(x)

**How to solve a cubic equation : ExamSolutions**

How to solve a cubic equation using the factor theorem?

Example:

Solve the equation 2x^{3} - 5x^{2} - 10 = 23x

**How to factorise a cubic polynomial (Version 1) : ExamSolutions**

This tutorial shows you how to factorise a given cubic polynomial by using the factor theorem and algebraic long division.

Example:

Factorise 2x^{3} - 3x^{2} - 11x + 6

**How to factorise a cubic polynomial (Version 2) : ExamSolutions**

How to factorise a given cubic polynomial by using the factor theorem and by comparing coefficients?

Example:

Factorise 2x^{3} - 3x^{2} - 11x + 6

**Remainder Theorem and Solving a Cubic Equation: C2 Edexcel June 2010 Q2**

Example:

f(x) = 3x^{3} - 5x^{2} - 58x + 40

(a) Find the remainder when f(x) is divided by (x - 3).

Given that (x - 5) is a factor of f(x).

(b) find all the solutions of f(x) = 0.

More Lessons for A Level Maths

Math Worksheets

Videos, activities, solutions and worksheets that are suitable for A Level Maths.

The factor theorem states that

If f(x) is a polynomial and f(p) = 0 then x - p is a factor of f(x)

How to solve a cubic equation using the factor theorem?

Example:

Solve the equation 2x

This tutorial shows you how to factorise a given cubic polynomial by using the factor theorem and algebraic long division.

Example:

Factorise 2x

How to factorise a given cubic polynomial by using the factor theorem and by comparing coefficients?

Example:

Factorise 2x

Example:

f(x) = 3x

(a) Find the remainder when f(x) is divided by (x - 3).

Given that (x - 5) is a factor of f(x).

(b) find all the solutions of f(x) = 0.

Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.

We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.