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March 25, 2017

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Factorise the expressions

9y^2-25

x^2-x-12

I'm totally stuck!

  • algebra - ,

    The first is a difference of two squares.

    (3x-5)(3x+5)

    The second is
    (x-4)(x+3) anytime the last term is negative, you have factors with different signs

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