Answers

2016-01-10T08:57:33+08:00
Do the operation as usual.
          2x³           +3x + 7
+      -3x³  +2x²  -4x  + 3
=      -x³   + 2x²  -x    + 10

Change the operation and the sign of the terms of the second polynomial.

0
2016-01-12T00:30:39+08:00
Answer: -x(x^2 + 2x + 1) + 10
0