maciejewiczdalia
maciejewiczdalia maciejewiczdalia
  • 09-07-2018
  • Mathematics
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Factorise FULLY and show working out

Factorise FULLY and show working out class=

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konrad509
konrad509 konrad509
  • 09-07-2018
[tex]9x^2-9=9(x^2-1)=9(x-1)(x+1)[/tex]
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