Solving Radical Equations 2 with Help
View the Lesson | MATHguide homepage Updated November 11th, 2017


Status: Waiting for your answers.





Problem: Solve for the variable. Check a value if it is extraneous.
 
z - 3  = z - 5
 
z - 3 = ( z + )2
 
z - 3 = z2 + z +
 
0 = z2 + z +
 
0 = ( z + )( z + )
 
z1 =     z2 =
extraneous   extraneous