document.write( "Question 181770: 2 (x + 1)^2/3 - 3 (x+1)^1/3 - 2 = 0
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Algebra.Com's Answer #136363 by MissionPossible(18) ![]() You can put this solution on YOUR website! 2 (x + 1)^2/3 - 3 (x+1)^1/3 - 2 = 0 \n" ); document.write( "suppose (x+1)^1/3 = A \n" ); document.write( "2A^2 - 3A - 2 = 0 \n" ); document.write( "(2A+1)(A-2) = 0 \n" ); document.write( "A = -1/2, 2 \n" ); document.write( "(x+1)^1/3 = -1/2 \n" ); document.write( "x+1 = (-1/2)^3 \n" ); document.write( "x+1 = -1/8 \n" ); document.write( "x = -9/8\r \n" ); document.write( "\n" ); document.write( "(x+1)^1/3 = 2 \n" ); document.write( "x+1 = 2^3 \n" ); document.write( "x+1 = 8 \n" ); document.write( "x = 7\r \n" ); document.write( "\n" ); document.write( "then x = -9/8 , 7 Ans.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |