Status: Waiting for your answers. Problem: Solve for the variable. Check a value if it is extraneous. √ r + 5 = r - 1 r + 5 = ( r + )2 r + 5 = r2 + r + 0 = r2 + r + 0 = ( r + )( r + ) r1 = r2 = extraneous extraneous