solve each of the following equations
show all of your working, do nor use trial and improvement

a) [tex]\sqrt{p}[/tex] = x + 8

x = ..............

b) x + [tex]p^{2}[/tex] = 4 - x

x = ................

c) 3[tex]p^{3}[/tex] - 5 = 5x + 2

x = ...................