Combining Polynomials

-1k⁴ +17k² +22

-7k⁸ + 11k⁴-6

-7k⁴ - 11k² +6

7k⁴ - 5k²

-14n⁵  - 12n⁴ -3n +3

2n⁵ - 2n⁴ + 3n +3

-2n⁵ + 2n⁴ - 3n -3

3n - 3

$$3x^2$$ and $$4x^2$$

$$5x$$ and $$-3x$$

$$-2$$ and $$7$$

All of the above

$$3x^2 + 2x + 9$$

$$x^2 + 2x + 9$$

$$3x^2 + 4x + 9$$

$$3x^2 + 2x + 1$$

$$2x^2 - 6x + 9$$

$$2x^2 + 6x + 9$$

$$12x^2 + 2x + 3$$

$$2x^2 - 6x - 9$$

$$4x^3$$ and $$-3x^3$$

$$2x^2$$ and $$x^2$$

$$-x$$ and $$2x$$

All of the above

$$4x^3 + x^2 + 3x - 1$$

$$4x^3 + x^2 + 3x + 3$$

$$4x^3 + x^2 - 3x - 1$$

$$4x^3 + x^2 - 3x + 3$$

$$2x^2 - 4x + 9$$

$$2x^2 - 4x - 9$$

$$2x^2 - 4x + 1$$

$$2x^2 + 4x + 9$$

$$7x^4$$ and $$2x^4$$

$$3x^3$$ and $$-x^3$$

$$-2x^2$$ and $$4x^2$$

All of the above

$$7x^2 + 3x - 5$$

$$7x^2 + 7x - 5$$

$$7x^2 + 3x - 7$$

$$7x^2 + 7x - 7$$