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Mathematics
dharker68
2016-09-20 20:24:51
Factorise completely [latex] 3 x^{2} -27[/latex]
ANSWERS
Crystalbunny909
2016-09-21 03:20:53
3x^2 - 27 = 3(x^2 - 9) = 3(x + 3)(x - 3)
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