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Status: Waiting for your answers.

Problem: Solve for the variable. Check a value if it is extraneous.   √ x + 68  = x + 12   x + 68 = ( x + )2   x + 68 = x2 + x +   0 = x2 + x +   0 = ( x + )( x + )   x1 =     x2 = extraneous   extraneous