Solving Radical Equations 2 with Help
View the Lesson | MATHguide homepage Updated June 22nd, 2023

Status: Waiting for your answers.





Problem: Solve for the variable. Check a value if it is extraneous.
 
√ c + 45  = c + 15
 
c + 45 = ( c + )2
 
c + 45 = c2 + c +
 
0 = c2 + c +
 
0 = ( c + )( c + )
 
c1 =     c2 =
extraneous   extraneous