SOLUTION: Solve 9x^2+6x+1=64 I think you first subtract 1 form each side which leaves you 9x^2+6x=63. You then find what term a, b, and c is. Then you use the quadratic formula. and when I d

Question 243623: Solve 9x^2+6x+1=64 I think you first subtract 1 form each side which leaves you 9x^2+6x=63. You then find what term a, b, and c is. Then you use the quadratic formula. and when I did it, it becomes the suare root of negative 531, but I know it's not suupose to be negative. Can you help me?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!

Start with the given equation.

Subtract 64 from both sides.

Combine like terms.

Notice that the quadratic is in the form of where , , and

Let's use the quadratic formula to solve for "x":

Start with the quadratic formula

Plug in , , and

Square to get .

Multiply to get

Rewrite as

Add to 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 solutions are or

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