SOLUTION: 18) 49x7 –28x5 –7x4
                            
          7x³
Algebra.Com
Question 175863:  18) 49x7 –28x5 –7x4
                            
          7x³
 
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
 Is that 7x^3 a common denominator?
Cheers,
Stan H. 
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