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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- Lesson: 1a1:31
- Lesson: 1b2:00

Similar to the previous section, we will be using trinomial factoring too. Just this time, we are going to look for the constant term in the polynomials instead. The trick is 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,

- 1.Find positive and negative examples for ka)${x^2-5x+k}$b)${x^2+6x+k}$

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