SOLUTION: multiply the fractions: {{{(2x^2-x-3)/(3x^2+7x+4)}}}.{{{(3x^2-11x-20)/(4x^2-9)}}}

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Question 81667: multiply the fractions:
.
Answer by Edwin McCravy(20056)   (Show Source): You can put this solution on YOUR website!

multiply the fractions: 
.

Factor all the numerators and denominators:

.

Indicate multiplication of numerators and denominators and write
them altogether as one fraction:

 

The  in the top and bottom cancel.
The  in the top and bottom cancel.
The  in the top and bottom cancel.
All that's left is



and you can erase the parentheses and just have



Edwin
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