Question 74126
<pre>
did i solve this subtraction right?

4x-2x^2+4x^3 from 4x^3+x-3x^2


   arrange your expressions :

    4x^3 - 2x^2 + 4x 
  -(4x^3 - 3x^2 + x)   Since we are subtracting we will change the sign of the 
____________________   subtrahend


   4x^3 - 2x^2 + 4x 
  -4x^3 + 3x^2 - x   Now we are ready to combine like terms
____________________
   0    + x^2 + 3x    

 answer is x^2 + 3x



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