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Math Help - factorisation

  1. #1
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    factorisation

    How do I factorise 5x-15
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by not happy jan View Post
    How do I factorise 5x-15
    5 is common to both terms. just pull it out: 5x - 15 = 5(x - 3)

    got it?

    why are you not happy jan?
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