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)
\n" ); document.write( "

Algebra.Com's Answer #87062 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
X/3+3/4
\n" ); document.write( "3X/4-3/5 NOW MULTIPLY
\n" ); document.write( "-----------------------------
\n" ); document.write( "(X/3)(3X/4)+(3/4)(3X/4)-(X/3)(3/5)-(3/4)(3/5)
\n" ); document.write( "X^2/4+9X/16-X/5-9/20
\n" ); document.write( "X^2/4+[(5*9X-16X)/16*5]-9/20
\n" ); document.write( "X^2/4+[(45X-16X)/80]-9/20
\n" ); document.write( "X^2/4+25X/80-9/20
\n" ); document.write( "[20X^2+25X-36)/80 ANSWER.
\n" ); document.write( "THIS EQUATION (20X^2+25X-36) IF REDUCED, NEEDS THE QUADRATIC EQUATION:
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "
\n" ); document.write( "
\n" );