adding and subtracting polynomials
(3x^2+2x-5)(x^2-4x+3)
4x^2-2x-2
2x^2+8x+3x+12
(2x+3)(x+4
(x+1)(x+3)
X^2+4x+3
2x(X+4)
2x^2+8x
3x(4x+2)
(X^2+3x-7) (2x^2-x+5)
X^2-4x+12
X^2+5x+2x+10
(X+2)(x+5)
(2x-3)(X+5)
2x^2+7x-15
(X+3)(x+2)
X^2+5x+6
-2y(3y^2-5y+4)
-6y^3+10y^2-8y
(4x^3+2x-x)+(x^3-3x^2+2x)
5x^3-x^2+x
3x^2+9x+2x+6
(3x+2)(x+3)
(x-4)(x+2)
X^2-2x-8
(3x-5)(X+1)
3x^2-2x-5
4x^2(2x-3)
8x^3-12x^2
(3x^2-2x+1) (5x^2+x-4)
2x^2+3x-5
4x^2+16x+3x+12
(4x+3)(x+4)
(3x+1)(2x-5)
6x^2-13x-5
(X+2)(x^2-x+3)
X^3+x^2+5x+6
-x(5x^3-3x^2+7x)
-5x^3-3x^2+7x
(6x^4-3x^2+x)+(-2x^4+4x^2-5)
4x^4+x^2+x-5j
5x^2+25x+2x+10
(5x+2)(x+5)
(X+2)(x-3)(x+4)
X^3+3x^2-2x-24
(2x-1)(x^2+3x-r)
2x^3+5x^2-11x+4
2a^2(3a^2-4a+5)
6a^4-8a^3+10a^2