SOLUTION: solve using the quadratic formula 9x -2 = 3x^2

Question 200964This question is from textbook Beginning Algebra
: solve using the quadratic formula
9x -2 = 3x^2 This question is from textbook Beginning Algebra

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Get everything to one side

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

Negate to get .

Square to get .

Multiply to get

Subtract from to get

Multiply and to get .

or Break up the expression.

So the solutions are or

which approximate to or
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