a. 2x^{2}+x+5
1.Simplify the expression using positive exponents.
2.Subtract: (x3 + x3 + 6) – (x3 – 2x + 1)
3.Simplify the expression below using only positive exponents.
4.
Simplify:
(2x + 3) ( 3x^2 + x + 1)
5.Which of the following is equivalent to the expression below?
Which expression is not a polynomial? 
x3−2x2+3x−2 
−3x+5x14−3 
x−2+x 
5

The degree of the polynomial: 4x5−5x4−3x2+2 is 
2 
3 
4 
5 