SOLUTION: 2x^2 - 3x - 1 = 0 x^2 = 8x -5

Question 227579: 2x^2 - 3x - 1 = 0

x^2 = 8x -5
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you going

Start with the given equation.

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

Rewrite as

Add to to get

Multiply and to get .

or Break up the expression.

So the solutions are or

which approximate to or

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