Question

Polynomial basics :

Answer 1

Try this:
1. for non-simplified polinoms:
a. 4 terms; b. 4 terms; c. 6 terms.
2. combining the like terms:
a. -x⁵+x³+5x²+2; b. 3x⁵+x³; c. 2x⁴+3x²+7x-15.