document.write( "Question 478840: My question is: Solve this equation algebraically \r
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document.write( "x^5=3x+2x^3y\r
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document.write( "and: Find all the solutions algebraically\r
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document.write( "1) Sqroot(x) − Sqroot(x − 5) = 1\r
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document.write( "2)3x(x-1)^(1/2)+2(x-1)^(1/2)=0\r
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document.write( "If you can please explain how to solve it for future reference. Thank You :) \n" );
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Algebra.Com's Answer #328150 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Solve this equation algebraically \n" ); document.write( "x^5 = 3x + 2x^3y \n" ); document.write( "x^5 - 2x^3y = 3x \n" ); document.write( "Factor out x^3 \n" ); document.write( "x^3(x^2 - 2y) = 3x \n" ); document.write( "divide both sides by x \n" ); document.write( "x^2(x^2 - 2y) = 3 \n" ); document.write( "x^2 - 2y = \n" ); document.write( "-2y = \n" ); document.write( "Divide both sides by -2 \n" ); document.write( "y = \n" ); document.write( "put over a single denominator \n" ); document.write( "y = \n" ); document.write( "y = \n" ); document.write( "Solve for x \n" ); document.write( " \n" ); document.write( "Divide both sides by 2x^2 \n" ); document.write( "x^4 - 3 = 0 \n" ); document.write( "x^4 = 3 \n" ); document.write( "x = 3^(1/4) \n" ); document.write( "x = +/- 1.316 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Find all the solutions algebraically \n" ); document.write( "1) \n" ); document.write( "Rearrange this to \n" ); document.write( " \n" ); document.write( "Square both sides \n" ); document.write( " \n" ); document.write( "FOIL the left side \n" ); document.write( "x - 2( \n" ); document.write( "-2( \n" ); document.write( "-2( \n" ); document.write( "Square both sides again \n" ); document.write( "4x = 36 \n" ); document.write( "x = \n" ); document.write( "x = 9 \n" ); document.write( "Check this in the original equation \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "2) \n" ); document.write( " \n" ); document.write( "Square both sides \n" ); document.write( "9x^2(x-1) = 4(x-1) \n" ); document.write( "divide both sides by (x-1), leaving us with \n" ); document.write( "9x^2 = 4 \n" ); document.write( "Find the square root of both sides \n" ); document.write( "3x = 2 \n" ); document.write( "x = \n" ); document.write( " \n" ); document.write( " |