document.write( "Question 202559: Find the indicated products and quotients.\r
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document.write( "1. (9z^3/16xy)(4x/27z^3)\r
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document.write( "2. (3m-9/4m+8)(m^2+5m+6/m^2-9)\r
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document.write( "3. (y^2+3y-10/3y+15) / (10-5y)\r
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document.write( "Thanks\r
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Algebra.Com's Answer #152779 by PRMath(133)![]() ![]() ![]() You can put this solution on YOUR website! 1. (9z^3/16xy)(4x/27z^3) \n" ); document.write( "2. (3m-9/4m+8)(m^2+5m+6/m^2-9) \n" ); document.write( "3. (y^2+3y-10/3y+15) / (10-5y) \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Before we do these, we have to agree that \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Further, we have to agree that \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Those are good facts to have in your mind, so let's begin.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "1. (9z^3/16xy)(4x/27z^3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I read this as: \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Because you are multiplying, you can factor terms, just like we did above when we said \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "SO - let's factor: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The 9 in the numerator can be factored into the 27 of the denominator to give you \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The 4 in the numerator can be factored into the 16 of the denominator to give you \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The \"x\" in the numerator can be factored into the x of the denominator to again give you \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "What you have left is: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "2. (3m-9/4m+8)(m^2+5m+6/m^2-9)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's just break this down piece by piece, because it may be quicker:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Numerator of first fraction: 3m - 9 \n" ); document.write( "Let's factor out 3: 3(m-3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Denominator of first fraction: 4m + 8 \n" ); document.write( "Let's factor out 4: 4(m + 2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Numerator of 2nd fraction: \n" ); document.write( "Let's factor this to be: (m+2)(m+3)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Denominator: \n" ); document.write( "Let's factor this to be: (m+3)(m-3)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "NOW we have: \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "NOW factor out \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "What you have left is \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "3.(y^2+3y-10/3y+15) / (10-5y) \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Numerator of first fraction: \n" ); document.write( "Factor to: (y+5)(y-2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Denominator of first fraction:3y+15 \n" ); document.write( "Let's factor that to: 3(y+5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Second fraction: 10-5y \n" ); document.write( "Factor to: 5(2-y)\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we have: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(y+5) can factor out of the numerator and denominator so we have left....\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I hope this helps. :-) \n" ); document.write( " |