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- Factorising Quadratic Functions

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Try reviewing these fundamentals first

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Try reviewing these fundamentals first

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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.

Basic 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)${x^2+kx+6}$

9.

Factorising Quadratic Functions

9.1

Factorise by taking out the greatest common factor

9.2

Factorise by grouping

9.3

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

9.4

Factorising difference of squares: $x^2 - y^2$

9.5

Factorising trinomials

9.6

Solving polynomials with unknown coefficients

9.7

Solving polynomials with unknown constant terms

We have over 1450 practice questions in GCE O-Level A Maths for you to master.

Get Started Now9.1

Factorise by taking out the greatest common factor

9.2

Factorise by grouping

9.3

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

9.4

Factorising difference of squares: $x^2 - y^2$

9.5

Factorising trinomials

9.6

Solving polynomials with unknown coefficients

9.7

Solving polynomials with unknown constant terms