SOLUTION: how do I find the sum of the solutions of the equation x^2-9x+20=0

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Question 982274: how do I find the sum of the solutions of the equation x^2-9x+20=0
Found 2 solutions by solver91311, MathTherapy:
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Factor the quadratic.

Find the two solutions by the zero product rule.

Add the two solutions.

John

My calculator said it, I believe it, that settles it

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

how do I find the sum of the solutions of the equation x^2-9x+20=0
x%5E2+-+9x+%2B+20+=+0

Sum of roots/zeroes/solutions to a quadratic equation is: -+b%2Fa

With a = 1, and b = - 9, 

Sum of roots/zeroes/solutions to this quadratic equation is: %28-++-+9%2F1%29, or highlight_green%289%29