Q2 of 53 Page 77

Factorise:

a2 – 5a + 6

a2–2a–3a + 6

= a(a–2)–3(a–2)


= (a–3)(a–2)


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2

Factorise:

x2 + 4x + 3

 2

Factorise:

a2 + 5a + 6

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Factorise:

a2 – 3a – 40

 2

Factorise:

x2 – x – 72