document.write( "Question 360152: Solve using long division, then CHECK.\r
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document.write( "(-30+6y^3-28y+y^2) divided by (2y-5)\r
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document.write( "PLEASE help me with this!! I've been stuck on this problem forever.
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document.write( "In my math book it doesn't show me how to solve problems this long and I have no clue what I am doing.
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document.write( "Thanks! :) \n" );
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Algebra.Com's Answer #256998 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! This is similar to doing long division with numbers \n" ); document.write( ": \n" ); document.write( "Solve using long division, then CHECK. \n" ); document.write( "(-30+6y^3-28y+y^2) divided by (2y-5) \n" ); document.write( ": \n" ); document.write( "6y^3 + y^2 - 28y - 30 \n" ); document.write( ": \n" ); document.write( ".............___________________ \n" ); document.write( "(2y-5)| 6y^3 + y^2 - 28y - 30 \n" ); document.write( ": \n" ); document.write( "This is the form you want for long division \n" ); document.write( "Find a value, that when you multiply it 2y, it will = 6y^3, that would be 3y^2 \n" ); document.write( ": \n" ); document.write( "..............................3y^2 \n" ); document.write( ".............___________________ \n" ); document.write( "(2y-5)| 6y^3 + y^2 - 28y - 30 \n" ); document.write( ".................6y^3 - 15y^2; \n" ); document.write( ".................--------------------- \n" ); document.write( "................................16y^2 - 28y\r \n" ); document.write( "\n" ); document.write( "We multiplied the divisor by 3y^2 and subtracted, brought down the 28y \n" ); document.write( ": \n" ); document.write( "..............................3y^2 + 8y \n" ); document.write( ".............___________________ \n" ); document.write( "(2y-5)| 6y^3 + y^2 - 28y - 30 \n" ); document.write( ".................6y^3 - 15y^2; \n" ); document.write( ".................--------------------- \n" ); document.write( "................................16y^2 - 28y \n" ); document.write( "................................16y^2 - 40y \n" ); document.write( "................................----------------- \n" ); document.write( "...............................................+12y - 30 \n" ); document.write( "We multiplied the divisor by 8y and subtracted, brought down -30 \n" ); document.write( ": \n" ); document.write( "..............................3y^2 + 8y + 6 \n" ); document.write( ".............___________________ \n" ); document.write( "(2y-5)| 6y^3 + y^2 - 28y - 30 \n" ); document.write( ".................6y^3 - 15y^2; \n" ); document.write( ".................--------------------- \n" ); document.write( "................................16y^2 - 28y \n" ); document.write( "................................16y^2 - 40y \n" ); document.write( "................................----------------- \n" ); document.write( "...............................................+12y - 30 \n" ); document.write( "...............................................+12y - 30 \n" ); document.write( ".....................................................----------- \n" ); document.write( "We multiplied the divisor by 6 and subtracted, no remainder \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "The quotient: 3y^2 + 8y + 6 \n" ); document.write( ": \n" ); document.write( "Check this, multiply this by the divisor (2y-5) and see what get \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Do you think you can do this now?? \n" ); document.write( " \n" ); document.write( " |