Transcript FACTORISING

FACTORISING
FACTORISING
Take an expression like
6D + 4
FACTORISING
Put down some brackets for the answer
6D + 4
(
)
FACTORISING
Leave the signs alone
6D + 4
(
+
)
FACTORISING
Next, look at the numbers. Do they have a
common factor?
The number that
goes into both 6
and 4 is ...
(
2
6D + 4
+
)
FACTORISING
Put this number outside the brackets.
6D + 4
2
2
(
+
)
FACTORISING
Now work out how many times the 2 goes
into each of the numbers.
6D + 4
2
(
3
+ 2
)
FACTORISING
Now look at the letters. There is only one
letter here so it cannot be factorised further.
6D + 4
2
(
3
+ 2
)
FACTORISING
Put the letter into the answer.
6D + 4
2
(
3D
+ 2
)
FACTORISING
Try another example.
12KG + 4K
(
+
)
FACTORISING
What is the common factor for the
numbers?
12KG + 4K
4 (
3
+ 1
)
FACTORISING
What is the common factor for the letters?
12KG + 4K
4K (
3
+ 1
)
FACTORISING
To end just bring down any remainder.
12KG + 4K
4K(
3 G + 1
)
FACTORISING
We have a final answer.
12KG + 4K
4K(
3 G + 1
)