SOLUTION: solve for x 4x(x-9)-5x(x-8)=-5

Question 266442: solve for x 4x(x-9)-5x(x-8)=-5
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.

Add 5 to 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 Reduce.

So the solutions are or
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