Posted by **anonymous** on Saturday, September 22, 2007 at 3:07am.

Please help me with these three problems!

1. solve for x:

3x + 5x^(1/2) - 28 = 0

2. solve for x:

square root(2x-5) - square root(x-2) = 2

3. Find all values so that polynomial:

ax^2 + 5x + 2 has two distinct real roots.

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