+37165 Here is the first one....you try the similar second one....
a-3 = sqrt (5a-9) square both sides
a^2 - 6a + 9 = 5a-9 re-arrange
a^2 -11a +18 = 0
(a-9)(a-2) = 0 a = 9 or 2 test both answers.....you will find that only x = 9 works (throw out '2')
