Help please!

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- January 19th 2010, 07:45 AM #1

- January 19th 2010, 08:10 AM #2
**since****,****and****, the equation can be written like the****following:**

**since****, then:**

**since****and**

**then the equation can be written like:**

**Now, Solve the last equation.**

- January 19th 2010, 08:14 AM #3

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Hello, reiward!

I have it down to this and I'm lost: . . . . . . Keep going!

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(The negative square root is an extraneous root.)

- January 19th 2010, 09:07 AM #4

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