1. Square both sides to get
24 - 10x =
24 - 10x = = 0
(8x + 5)*(2x - 3) = 0
The roots are x = and x = .
With x = the expression (24-10x) under the square root is negative and therefore does not work.
The only working solution is x = .
See the plot below.
Plot y1 = (red) and y2 = 3-4x (green)