For each Polynomial:

a. Do the arithmetic

b. Write what the resulting degree is

c. Write the end behavior (of the resulting polynomial)



1. ( 6x3 + 3x2 − 4 ) + ( 2x4 − 3x2 + 12x3 )

2. ( 10 + 4x − 3x3 ) − ( 5x3 + 8 )

3. ( x + 4 )( 2x − 5 )

4. ( x + 2 )( 3x2 + 4x + 1 )