(i) Take away – 3x^{3} + 4x^{2} – 5x+ 6 from 3x^{3}^{ }– 4x^{2}^{ }+ 5x – 6(ii) Take m^{2}^{ }+ m + 4 from -m^{2} + 3m + 6 and the result from m^{2} + m + 1.
According to question