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.
 
√ v + 15  = v - 5
 
v + 15 = ( v + )2
 
v + 15 = v2 + v +
 
0 = v2 + v +
 
0 = ( v + )( v + )
 
v1 =     v2 =
extraneous   extraneous