The equation is
.
Rewrite the equation in standard form:
\
(Subtract 15 from each side)
(Apply additive inverse property:
)
Graph the related function:
\Let
.
.
Graph the related function
.

Locate the x-intercepts of the graph. This graph has no x-intercepts. Therefore, this equations has no real number solutions. The solution set is
.
This equations has no real number solutions. The solution set is
.