document.write( "Question 83685: Multiply: (x/3+3/4)(3x/4-3/5) \n" ); document.write( "
Algebra.Com's Answer #60167 by checkley75(3666)\"\" \"About 
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X/3+3/4
\n" ); document.write( "3X/4-3/5
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\n" ); document.write( "(X/3)(3X/4)+(3/4)(3X/4)+(X/3)(-3/5)+(3/4)(-3/5)
\n" ); document.write( "3X^2/12+9X/16-3X/15-9/20 NOW FIND A COMMON DENOMINATOR SO WE CAN ADD THESE FRACTIONS THUS: WE HAVE A LOWEST COMMON DENOMINATOR OF 240:
\n" ); document.write( "(3X^2*10+9X*15-3X*16-9*12)/240
\n" ); document.write( "(30X^2+135X-48X-108)/240
\n" ); document.write( "(30X^2+87X-108)/240 NOW REDUCE BY DIVIDING BY 3:
\n" ); document.write( "(10X^2+29X-36)/80 THE NUMERATOR CAN ONLY BE REDUCED USING THE QUADRATIC EQUATION.
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" \r
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