maciejewiczdalia
maciejewiczdalia maciejewiczdalia
  • 09-07-2018
  • Mathematics
contestada

Factorise FULLY and show working out (2)

Factorise FULLY and show working out 2 class=

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ppera1009 ppera1009
  • 09-07-2018
7 (xˆ2 - 9)
7 (x-3) . (x+3)
Answer Link
konrad509
konrad509 konrad509
  • 09-07-2018
[tex]7x^2-63=7(x^2-9)=7(x-3)(x+3)[/tex]
Answer Link

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