Adding and Subtracting Polynomials

I

100

(12y² + 17y - 4) + (9y² - 13y + 3)

21y² + 4y - 1

200

(5x² - 2x - 1) - (3x² - 5x + 7)

2x² + 3x - 8

300

(5 - 9a³ ) + (4a² + 6a - 3)

-9a³ + 4a² + 6a + 2

II

100

(2x³ + 7x² + x) + (2x² - 4x - 12)

2x³ + 9x² - 3x - 12

200

-(3z² + 4z) - (6z² - 2)

-9z² - 4z + 2

300

(3x² - x) + 5x³ + (-4x³ + x² - 8)

x³ + 4x² - x - 8

III

100

(-3m² + m) + (4m² + 6m)

m²+ 7m

200

(6x³ - 4x² + x - 9) - (3x² + 7x + 3)

6x³ - 7x² - 6x - 12

300

-10(u + v) + 8(u - 1) - 3(u + 6)

-5u - 10v - 14

IV

100

(7z² + 4z - 1) + (2z² - 6z + 2)

9z² - 2z + 1

200

(2x² + 1) + (x² - 2x + 1)

3x² - 2x + 2

300

7x -[2(x² - z) + 4x² - 7z] + 6z²

-6x² + 7x + 6z² + 9z

V

100

(3a² + 2a - 2) - (a² - 3a + 7)

2a² + 5a - 9

200

(-s² - 3) - (2s² + 10s)

-3s² - 10s - 3

300

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

-20x + 9