SOLUTION: n2+9=6n
Algebra.Com
Question 184838: n2+9=6n
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Subtract 6n from both sides.
Rearrange the terms.
Notice we have a quadratic equation in the form of where , , and
Let's use the quadratic formula to solve for n
Start with the quadratic formula
Plug in , , and
Negate to get .
Square to get .
Multiply to get
Subtract from to get
Multiply and to get .
Take the square root of to get .
or Break up the expression.
or Combine like terms.
or Simplify.
So the only answer is
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