SOLUTION: r2-10r=-17 plz help me...

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Question 1040301: r2-10r=-17
plz help me...
Found 2 solutions by ikleyn, jorel555:
Answer by ikleyn(52776)   (Show Source): You can put this solution on YOUR website!
.
r2 - 10r = -17
plz help me...
~~~~~~~~~~~~~~~~~~~~ 

 = ,

 = .

Apply the quadratic formula. See the lessons

    - Introduction into Quadratic Equations

    - PROOF of quadratic formula by completing the square

in this site.

 =  =  =  = .


Answer by jorel555(1290)   (Show Source): You can put this solution on YOUR website!
r2-10r=-17
r2-10r+17=0
Using the quadratic formula, ar2+br+c, we get;
r=7.828, 2.1716 ☺☺☺
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