Find the difference of 3x2−x−1 and 2x2+5x−3.

Select one:

a.
−x2+6x−2


b.
x2−6x+2


c.
−x2−6x+2


d.
x2+6x+2

Find the sum of (x−5)+(2x−1)+3x.

Select one:

a.
6x + 6


b.
6x - 6


c.
-6x - 6


d.
-6x + 6

Subtract 4x3−x2+1 from 7x3+2x−3.

Select one:

a.
3x3+x2+2x−4


b.
−3x3−x2+2x−4


c.
3x3−x2−2x−4


d.
3x3−x2+2x+4

Add (3x3+x2−1) and (−x3+x2+5).

Select one:

a.
2x3+2x2+4


b.
−2x3+2x2+4


c.
2x3+2x2−4


d.
2x3−2x2+4