SOLUTION: y-(14/y) = 5 i got y^2-14=5y factored (y+7) (y-7)=5y y=0 help!

Question 405271: y-(14/y) = 5
i got y^2-14=5y
factored (y+7) (y-7)=5y
y=0
help!
Found 2 solutions by jim_thompson5910, MathLover1:
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
You're doing great until you come onto the step where you factor. So I'm going to start with the step before that one.

Start with the given equation.

Subtract 5y from both sides.

Notice we have a quadratic equation in the form of where , , and

Let's use the quadratic formula to solve for y

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 .

Take the square root of to get .

or Break up the expression.

or Combine like terms.

or Simplify.

So the answers are or

If you need more help, email me at jim_thompson5910@hotmail.com

Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you

Jim
Answer by MathLover1(20849) (Show Source): You can put this solution on YOUR website!

...multiply by

........replace with

.....Group the first two terms together and the last two terms together like this:

......

.

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