document.write( "Question 118965: Book is McGraw Hill - Beginning Algebra 6th Ed. by Hutchinson.\r
\n" ); document.write( "\n" ); document.write( "Chapter 3 Section 3.4 exercise question at end of section number 78\r
\n" ); document.write( "\n" ); document.write( "Problem is to multiply the fraction\r
\n" ); document.write( "\n" ); document.write( "(x/3+3/4)(3x/4-3/5)
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Algebra.Com's Answer #87063 by stanbon(75887)\"\" \"About 
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(x/3+3/4)(3x/4-3/5)
\n" ); document.write( "Use FOIL to get:
\n" ); document.write( "F: x/3 * 3x/4 = x^2/4
\n" ); document.write( "O: x/3 * -3/5 = -x/5 = -16x/80
\n" ); document.write( "I: 3x/4 * 3/4 = 9x/16= 45x/80
\n" ); document.write( "L: (3/4)*-3/5 = -9/20
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\n" ); document.write( "Combine to get:
\n" ); document.write( "x^2/5 -29x/80 - 9/20
\n" ); document.write( "=========================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.-
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