HALP

1-Find all values of x such that \(3x^2 + 16x + 5=0\). If you find more than one value, then list your solutions, separated by commas.

 

2-Find all values of x such that \(9 + \frac{27}{x} + \frac{8}{x^2} = 0.\)
If you find more than one value, then list your solutions, separated by commas.

 

3-Find all values of x such that \(\frac{2x}{x + 2} = -\frac{6}{x + 4}.\)
If you find more than one value, then list your solutions, separated by commas.

 

4-A box has a total surface area of  The length of the box is equal to twice its width, as well as equal to  less than its height. What is the height of the box?

 

Thanks!