document.write( "Question 461475: The width of a rectangle is 3 less than twice the length x. If the area of the rectangle is 43 square feet, which equation can be used to find the length, in feet? \n" ); document.write( "
Algebra.Com's Answer #316469 by MathLover1(20850)\"\" \"About 
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The width of a rectangle \"y\" is \"3\" less than twice the length \"x\". \r
\n" ); document.write( "\n" ); document.write( "\"y%2B3=2x\".....->..\"y=2x-3\"\r
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\n" ); document.write( "\n" ); document.write( "If the area of the rectangle is \"A=43ft%5E2\", \r
\n" ); document.write( "\n" ); document.write( "which equation can be used to find the length, in feet?\r
\n" ); document.write( "\n" ); document.write( "\"xy=43ft%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"x%282x-3%29=43ft%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2-3x=43ft%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"2x%5E2-3x-43ft%5E2=0\"....use quadratic formula to find \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-%28-3%29+%2B-+sqrt%28+%28-3%29%5E2-4%2A2%2A%28-43%29+%29%29%2F%282%2A2%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%283+%2B-+sqrt%289%2B344+%29%29%2F4+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%283+%2B-+sqrt%28353+%29%29%2F4+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%283+%2B18.788294228055935999045204838699%29%2F4+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+21.79%2F4+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+5.45ft\"\r
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\n" ); document.write( "\n" ); document.write( "\"y=2x-3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=2%285.45%29-3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=10.9-3\"\r
\n" ); document.write( "\n" ); document.write( "\"y=7.9ft\"\r
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\n" ); document.write( "\n" ); document.write( "check:\r
\n" ); document.write( "\n" ); document.write( "\"5.45ft%2A7.9ft=43ft%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"43.055ft%5E2=43ft%5E2\"\r
\n" ); document.write( "\n" ); document.write( "\"43ft%5E2=43ft%5E2\"
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