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4. Factorisation
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Q3 of 53 Page 73

Factorise:

: Using the identity,

x2–y2 = (x + y)(x–y)


so,








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3

Factorise:

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Factorise:

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Questions · 53
4. Factorisation
1 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 2 2 2 2 2 2 3 3 3 3 3 3 1 1 1 1 1 1 2 3 3 3 3 3 3 3 4 4 4 4 4 5 5 5 5 6
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