document.write( "Question 476177: I have been working on this equation involving 2 radicals for 2 days. Here is what I have so far.
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document.write( "radical(3x+1)-1- radical (x+4) = 0
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document.write( "isolating 1 radical: radical (3x+1)-1 = radical (x+4)
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document.write( "squaring both sides of the equation: (radical(3x+1)-1)^2 = (radical(x+4))^2
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document.write( "(3x+1)+ 2 radical(3x+1)+1 = x+4
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document.write( "2 radical(3x+1) = -2x+2
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document.write( "squaring both sides again: (2 radical(3x+1))^2 = (-2x+2)^2
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document.write( "4(9x+1)=4x^2-4x+4
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document.write( "36x+4= 4x^2-4x+4
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document.write( "factoring:0=4x^2-40x
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document.write( "Where do I go from here to get the answer of 5 as a solution? \n" );
document.write( "
Algebra.Com's Answer #326702 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! there is a sign error in the first squaring step\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(3x+1)(-) 2 radical(3x+1)+1 = x+4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-2 radical(3x+1) = -2x+2 ___ dividing by -2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "radical(3x+1) = x - 1 ___ squaring\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3x + 1 = x^2 - 2x + 1 ___ 0 = x^2 - 5x ___ 0 = x(x - 5) \n" ); document.write( " |