7.2 Factorisation

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• Middelbare school
• havo
• Leerjaar 2

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Today

You are able to factorise by putting the common factor outside brackets.

You are able to factorise by using the difference of two squares.

You'll be using both your laptop and your textbook.

Study the two examples on page 108

Fill in: 6p - 12q = 6(... - ...)

Fill in:

6p​2​​+13p=p(...+...)

Factorising using the common factor

Always take out the highest possible common factor.

Factorise:

6pq−30p=

1. p(6q−30)
2. 6(pq−5p)
3. 2p(3q−15)
4. 6p(q−5)

Study the three examples on page 109

Factorise: 12x+15xy

Try to do ex 16 now

Too difficult?

do 14 and 15 first

Done with 16? 

Read theory C on page 109 

Do ex 18 and 21 (19 and 20 if 21 is too hard)

Study the three examples on page 110

difference of two squares

difference of two squares

difference of two squares

x​2​​−9

100−4x​2​​