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goldenfox [79]
3 years ago
10

Factorise FULLY and show working out (2)

Mathematics
2 answers:
VMariaS [17]3 years ago
7 0
7 (xˆ2 - 9)
7 (x-3) . (x+3)
Klio2033 [76]3 years ago
5 0
7x^2-63=7(x^2-9)=7(x-3)(x+3)
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