COMBINING POLYNOMIALS :)

Adding!

100

(2x^3 - 5x^2 + x) + (2x^2 + x^3 - 1)

3x^3 - 3x^2 + x - 1

200

(3x^2 + x - 6) + (x^2 + 4x + 10)

4x^2 + 5x +4

300

(5x^3 + 4x - 2x) + (4x^2 + 3x^3 - 6)

8x^3 + 4x^2 +2x - 6

400

(5a^2 - 3) + (8a^2 -1)

13a^2 - 4

500

(4m^2 - m +2) + (-3m^2 + 10m +7)

m^2 + 9m + 9

Subtracting!

100

(4n^2 + 5) - (-2n^2 + 2n - 4)

6n^2 - 2n + 9

200

(4x^2 - 3x + 5) - (3x^2 - x -8)

x^2 - 2x + 13

300

(6c^2 + 3c +9) - (3c - 5)

6c^2 + 14

400

(-n^2 + 2n) - (2n^3 - n^2 + n +12)

-2n^3 + n - 12

500

(4d - 6d^3 + 3d^2) - (9d3 + 7d - 2)

-15d^3 + 3d^2 - 3d +2

FOIL(ing)!

100

(3a+4)(a-2)

3a^2-2a-8

200

(2r-1)(5r+3)

10r^2+r-3

300

(4m+9)(2m+7)

8m^2+46m+63

400

(4x-5)(12x-7)

48x^2-88x+35

500

(8z+3)(5z+4)

40z^2+47z+4