How do you solve radical equations?
1 Answer
Nov 4, 2014
A radical equation is solved by simply squaring or cubing both sides of the equation. For example:
#√(2x+9)=5#
#√(2x+9)^2# =#5^2#
Then, continue to isolate the variable:
#2x+9=25#
#2x+9-9=25-9#
#(2x)/2=16/2#
#x=8#
