document.write( "Question 712186: y^2/3 + 2y^1/3 -3 = 0\r
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document.write( "Solve For Y \n" );
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Algebra.Com's Answer #437815 by htmentor(1343)![]() ![]() You can put this solution on YOUR website! Let x = y^1/3 \n" ); document.write( "Then we can write the equation as \n" ); document.write( "x^2 + 2x - 3 = 0 \n" ); document.write( "This can be factored as \n" ); document.write( "(x-1)(x+3) = 0 \n" ); document.write( "The solutions are x=1, x=-3 \n" ); document.write( "So we have y^1/3 = 1 and y^1/3 = -3 \n" ); document.write( "y^1/3 = 1 -> y = (1)^3 = 1 \n" ); document.write( "y^1/3 = -3 -> y = (-3)^3 = -27 \n" ); document.write( "Ans: y=1, y=-27 \n" ); document.write( " |