Status: Waiting for your answers. Problem: Solve for the variable. Check a value if it is extraneous. √ t - 4 = t - 6 t - 4 = ( t + )2 t - 4 = t2 + t + 0 = t2 + t + 0 = ( t + )( t + ) t1 = t2 = extraneous extraneous