SOLUTION: If one of the factors of the quadratic expression x^2 + x - 56 is (x+7), then what is the value of k?

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Question 915359: If one of the factors of the quadratic expression x^2 + x - 56 is (x+7), then what is the value of k?
Found 2 solutions by Fombitz, josgarithmetic:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Where is ??
Answer by josgarithmetic(39617)   (Show Source): You can put this solution on YOUR website!
k is not found in the expression or its given binomial factor. You might be able to find the other binomial factor either through factorization, or through polynomial division. I mentally see a "8" and a "7".



is not a factor of .

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