MAB2 Polynomien yhteen-ja vähennyslasku

x+4y+7

(3x-y)+7-(-5y+2x)

2x−7

(x+4)−(−x+4)−7

4x+4y

-16y+7x+20y-3x

-3x+2y

-6x+3x-4y+6y

8x−10

12x−(8x+3)+(4x−7)

3x−6

−14+8x−5x+8

−13x+11

−4x−(7x−5)+(−2x+6)

3x+30

−5x+17x+6x+16−15x+14

2x

−x−x−x−x−(−x−x−x−x−x−x)

10x+1

16x+18y-7x-9y+1-5y+x-4y

7x+6

17x+(−10x−8)+14

−5x−9

2x−(7x+9)

11x+15

3x+15+8x

−x+24

3x+18−(4x−6)

8x+2

3x−(4x+5+(−7x−(2x+3)))

13x-8y-16

3y+5x-16+8x-11y

x+8

4x−(3x+(5x+9+(−5x−9)))+8

4x−9

5x−(3x+9)+2x

x

5x−1−(4x−1)

x-5y

x+y-(x-(x+y))-7y