Add/Subtract and Multiply Polynomials

Adding

100

What's (2x2+5) + (3x + 2)?

2x2 +3x +7

200

What's (2x2 + 8) + (5x + 3)?

2x2 + 5x +11

300

What's (4x3 + 3x2 + 5x) + (2x2 + 4x)?

4x3 + 5x2 + 9x

400

What's (6x3 + 12x2 -15x) + (4x2 - 12x +8)?

6x3 + 16x2 - 27x + 8

500

What's (5x4 + 2x3 - 6x2 + 7x) + (4x3 + 8x2 - 2x)?

5x4 + 6x3 + 2x2 + 5x

Subtracting

100

What's (x2 + 5) - (2x2 - 1)?

-x2 + 6

200

What's (4x - 3) - (2x2 + 4x - 8)?

-2x2 + 5

300

What's (3x3 + 4x2) - (2x3 + 3x2 - x)?

(x3 - x2 + x

400

What's (-2x3 + 5x2 - 8x) - ( 5x3 + 3x2 + 4x)?

-7x3 + 2x2 - 4x

500

What's (4x4 + 6a3 - 9a2) - (5x4 + 2a3 - 6a2 + a)?

-x4 + 4a3 - 3a2 - a

Multiplying

100

(x + 5)(x - 3)

x2 + 2x - 15

200

(x - 6) (x + 4)

x2 - 2x - 24

300

(x + 8)  (3x - 4)

3x2 + 20x - 32

400

(2x - 1)  (3x - 6)

6x2 - 15x + 6

500

(5x - 8) (2x + 5)

10x2 + 9x - 40