SOLUTION: Solve each equation by using the method for your choice. Find exact solutions. 8. x^2+8x=0 Thanks for your help!

Question 181939This question is from textbook Algebra2
: Solve each equation by using the method for your choice. Find exact solutions.
8. x^2+8x=0
Thanks for your help! This question is from textbook Algebra2

Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
I'm going to use the quadratic formula:

Start with the given equation.

Add 0 to the left side (this does NOT change the equation)

Notice we have a quadratic equation 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

Subtract from 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 answers are or

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