SOLUTION: Please help me Factorise the following question? x^2+4x-21

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Question 815127: Please help me Factorise the following question?
x^2+4x-21

Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Please help me Factorise the following question?
x^2+4x-21
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It's not a question, it's a polynomial.
Find a pair of factors of 21 that differ by 4.

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