2x^2 + 3x - 5 ลบ – 7x^2 + 1
9x ^2 + 3x - 6
x^ 2 + 5x + 1 บวก - x ^2 + 3x -1
8x
2x^2 + 3x - 5 บวก – 7x^2 + 1
– 5x^ 2 + 3x - 4
3x^2 - 2x + 6 ลบ x^ 2 + 7x + 3
2x ^2 - 9x + 3
5a^4 – 7a^3 + 4a - 5 บวก -6a^4 + 3a^3 – 4a + 3
- a ^4 - 4a^3 - 2
x ^2 + 3y^2 บวก 3x + y
x^ 2 + 3y^2 +3x + y
x ^2 + 3y^2 ลบ 3x + y
x ^2 + 3y^2 - 3x - y
3x^2 - 2x + 6 บวก x ^2 + 7x + 3
4x^2 + 5x + 9
x ^2 + 5x + 1 ลบ - x ^2 + 3x -1
2x^2 + 2x + 2
5a^4 – 7a^3 + 4a - 5 ลบ -6a^4 + 3a^3 – 4a + 3
11a^4 - 10a^ 3 +8a - 8