SOLUTION: x^2-8x+27=0 (2x^3)^3 / 5 x 18x^-2 / 2x^3

Question 549152: x^2-8x+27=0

(2x^3)^3 / 5 x 18x^-2 / 2x^3
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'll do the first one to get you started.

# 1

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

Subtract from to get

Multiply and to get .

Simplify the square root (note: If you need help with simplifying square roots, check out this solver)

Break up the fraction.

Reduce.

or Break up the expression.

So the solutions are or

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