document.write( "Question 106271: The length of a rectangle is ( 3x + 4 ) feet and the width is ( 2x - 6 ) feet. Find the area of the rectangle in terms of the variable x. \n" ); document.write( "
Algebra.Com's Answer #77296 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
\"L=3x%2B4\"
\n" ); document.write( "\"W=2x-6\"
\n" ); document.write( "A = L x W
\n" ); document.write( "\"A=%283x%2B4%29%2A%282x%2B%28-6%29%29\"
\n" ); document.write( "Usethe Foil Method (First Outer Inner Last)
\n" ); document.write( "First\"%28highlight%283x%29%2B4%29%2A%28highlight%282x%29%2B%28-6%29%29%3A%283x%29%2A%282x%29\"
\n" ); document.write( "Outer\"%28highlight%283x%29%2B4%29%2A%282x%2Bhighlight%28-6%29%29%3A%283x%29%2A%28-6%29\"
\n" ); document.write( "Inner\"%283x%2Bhighlight%284%29%29%2A%28highlight%282x%29%2B%28-6%29%29%3A%284%29%2A%282x%29\"
\n" ); document.write( "First\"%283x%2Bhighlight%284%29%29%2A%282x%2Bhighlight%28-6%29%29%3A%284%29%28-6%29\"
\n" ); document.write( "
\n" ); document.write( "\"%283x%2B4%29%2A%282x-6%29=6x%5E2-18x%2B8x-24\"
\n" ); document.write( "\"%283x%2B4%29%2A%282x-6%29=6x%5E2-10x-24\"
\n" ); document.write( "\"A=6x%5E2-10x-24\"
\n" ); document.write( "
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