Factorisation of linear expressions Flashcards
1
Q
What is factorisation?
A
It is the reverse of expansion
2
Q
To factorise an expression, what must we first identify?
A
We must find a highest common factor between the terms
3
Q
What is the highest common factor of
2 and 4
A
2
4
Q
What is the highest common factor of
2x and 4
A
2
5
Q
What is the highest common factor of
2x and 4x
A
2x
6
Q
What is the highest common factor of
6 and 8
A
2
7
Q
What is the highest common factor of
6x and 8x
A
2x
8
Q
What is the highest common factor of
6x and 8x2
A
2x
9
Q
Factorise
2x + 4
A
2(x + 2)
10
Q
Factorise
2x - 4
A
2(x - 2)
11
Q
Factorise
2x2 - 4x
A
2x(x - 2)