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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