SOLUTION: what are the positive and negative roots of f(x)=x^2+4x-5

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Question 332156: what are the positive and negative roots of f(x)=x^2+4x-5
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

Complete the square





and


The roots are 1 and -5
Here's a plot:

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