SOLUTION: Factor: n^2+n-56

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Question 731262: Factor:
n^2+n-56

Found 2 solutions by Alan3354, josmiceli:
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
Factor:
n^2+n-56
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find a pair of factors of 56 that differ by 1.

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

You can try to complete the square
first set the equation equal to zero

Subtract from both sides

Take 1/2 of the co-efficient of
square it and add it to both sides




Take the square root of both sides



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also,



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