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    (Original post by Abusive)
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    You haven't factorised the quadratic correctly.
    NEVER MIND - thought it was a -1 in the second bracket instead of +1 as you have done correctly.
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    (Original post by Abusive)
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    That's all correct and you can easily check it yourself by plugging in your solutions into the original equations.
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    (Original post by B_9710)
    You haven't factorised the quadratic correctly.
    Sorry I think that's the scans poor quality, it's meant to say (x-4)(x+1)

    (Original post by notnek)
    That's all correct and you can easily check it yourself by plugging in your solutions into the original equations.
    Thank you
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    Yeah correct. Also, you've laid out your work very clearly and thoroughly, this is a great skill and will really help you in exams.
 
 
 
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