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- Factorising Quadratic Functions

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

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Get Started NowStart now and get better math marks!

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Get Started Now- Intro Lesson5:52
- Lesson: 1a1:45
- Lesson: 1b1:20

In this lesson, we will be doing trinomial factoring to find all possible answers for the unknowns in the term in the middle of the polynomials. By doing so, we will need to reverse the process of FOIL so that we can convert the trinomials into two binomials.

Related concepts: Factor by taking out the greatest common factor, Factor by grouping, Factoring difference of squares: $x^2 - y^2$, Factoring trinomials,

- IntroductionFOIL method:

i) What is the FOIL method?

ii) How to use it? - 1.Find four examples of k:a)${x^2+kx-8}$b)${x^2+kx+6}$

18.

Factorising Quadratic Functions

18.1

Factorise by taking out the greatest common factor

18.2

Factorise by grouping

18.3

Factorising perfect square trinomials: $(a + b)^2 = a^2 + 2ab + b^2$ or $(a - b)^2 = a^2 - 2ab + b^2$

18.4

Factorising difference of squares: $(a - b)(a + b) = (a^2 - b^2)$

18.5

Factorising trinomials

18.6

Solving polynomials with unknown coefficients

18.7

Solving polynomials with unknown constant terms

We have over 1640 practice questions in GCE O-Level Maths for you to master.

Get Started Now18.1

Factorise by taking out the greatest common factor

18.2

Factorise by grouping

18.3

Factorising perfect square trinomials: $(a + b)^2 = a^2 + 2ab + b^2$ or $(a - b)^2 = a^2 - 2ab + b^2$

18.4

Factorising difference of squares: $(a - b)(a + b) = (a^2 - b^2)$

18.5

Factorising trinomials

18.6

Solving polynomials with unknown coefficients

18.7

Solving polynomials with unknown constant terms