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.
 
a - 1  = a - 7
 
a - 1 = ( a + )2
 
a - 1 = a2 + a +
 
0 = a2 + a +
 
0 = ( a + )( a + )
 
a1 =     a2 =
extraneous   extraneous