document.write( "Question 204642: 1. (x + 5)(2x - 1)\r
\n" ); document.write( "\n" ); document.write( "2. 3(x - 4)(x + 3) - 2(4x - 1)(x + 1)\r
\n" ); document.write( "\n" ); document.write( "3. Anne Pelletier won a bronze medal for Canada in women's springboard diving at the Summer Olympics in Atlanta. She dove from a springboard with dimensions that can be represented by the binomials 7x - 2 and x - 10.\r
\n" ); document.write( "\n" ); document.write( "a) What is the area of the springboard as a polynomial expression?\r
\n" ); document.write( "\n" ); document.write( "b) If x represents 70cm, what was the area of the board in square centimeters?
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Algebra.Com's Answer #154441 by alicealc(293)\"\" \"About 
You can put this solution on YOUR website!
Number 1.
\n" ); document.write( "\"%28x+%2B+5%29%2A%282x+-+1%29+=+2x%5E2+-+x+%2B+10x+-+5+=+2x%5E2+%2B+9x+-+5\"\r
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\n" ); document.write( "\n" ); document.write( "Number 2.
\n" ); document.write( "\"3%2A%28x+-+4%29%2A%28x+%2B+3%29+-+2%2A%284x+-+1%29%2A%28x+%2B+1%29\"
\n" ); document.write( "\"3%2A%28x%5E2+%2B+3x+-+4x+-+12%29+-+2%2A%284x%5E2+%2B+4x+-+x+-+1%29\"
\n" ); document.write( "\"3%2A%28x%5E2+-+x+-+12%29+-+2%2A%284x%5E2+%2B+3x+-+1%29\"
\n" ); document.write( "\"3x%5E2+-+3x+-+36+-+8x%5E2+-+6x+%2B+2\"
\n" ); document.write( "\"-5x%5E2+-+9x+-+34\"\r
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\n" ); document.write( "\n" ); document.write( "Number 3a.
\n" ); document.write( "area = (7x - 2)*(x - 10)
\n" ); document.write( "=\"7x%5E2+-+70x+-+2x+%2B+20+=+7x%5E2+-+72x+%2B+20\"\r
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\n" ); document.write( "\n" ); document.write( "Number 3b.
\n" ); document.write( "area = \"7%2A70%5E2+-+72%2A70+%2B+20+=+34300+-+5040+%2B+20\"
\n" ); document.write( "= 29280 square centimeters\r
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