SOLUTION: Please help me factorise x^2+4x-21. Thank you in advance.

SOLUTION: Please help me factorise x^2+4x-21. Thank you in advance.

Algebra.Com

Question 816089: Please help me factorise x^2+4x-21.
Thank you in advance.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Please help me factorise x^2+4x-21.
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Try pairs of factors of 21.
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