SOLUTION: x squared - 10x + 9 = 0 I subtracted 9 on both sides. x squared - 10x = -9 and I'm lost from here. Can someone please help me?

Question 194491: x squared - 10x + 9 = 0
I subtracted 9 on both sides.
x squared - 10x = -9
and I'm lost from here. Can someone please help me?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Note: because this is a quadratic and there are two terms that involve "x", you can't isolate "x" using linear techniques.

Start with the given equation.

Notice we have a quadratic equation in the form of where , , and

Let's use the quadratic formula to solve for x

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 answers are or

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