Question

factorise a square minus 64​

Answer 1

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Factorise :

$<strong> </strong>a² \: - \: 64$

$a² \: + \: 8a \:- 8a\: - 64$

$a(a + 8) \:-\: 8(a + 8)$

$(a - 8)\: ( a - 8)$

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