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Status: Waiting for your answers.

Problem: Solve for the variable. Check a value if it is extraneous.   √ a + 34  = a + 14   a + 34 = ( a + )2   a + 34 = a2 + a +   0 = a2 + a +   0 = ( a + )( a + )   a1 =     a2 = extraneous   extraneous