10r

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Factorisation Factorisation is the reverse
process of expanding brackets. Find the highest
number that divides into each number term.

1. 10r 25f
2. 28t 14s
3. 50u 75v
4. 6d 12f 9e

5 (2r 5f) 14 ( 2t s) 25 ( 2u 3v) 3 (2d
4f 3e)
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• Factorise the following expressions
• 1. 6f af
• 2. ab 8b
• 3. 2dp 14pr
• 4. 10gh 15hk
• 24st 8sy
• 5ab 2bc

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This means that letter terms can also be factors
and used to factorise an expression.
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Common Factors

• Factorise the following expressions
• 1. f2 6f
• 2. b2 8b
• 3. 4p2 14p
• 4. 10w2 15w
• 24x2 8x
• 5ab 2bc

f ( f 6) b (b 8) 2p (2p 7) 5w (2w
3) 8x (3x 1) b ( 5a 2c)
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FACTORISATION OF A TRINOMIAL
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