(5x+6)(2x-9)+4 (6x-7)(5x+2)-9
(9x+8)(2x-9)+4
(5x+6)(2x-9)+9
(6x-7)(5x-2)+8
(2x+8)(2x+9)+5
(2x+8)(3x+9)-5
(x²-5x+9)(5x²+6x+2) (x²-5x+9)(x²-6x+2)
(2a²+6a+1)(2a-8a²-3)
(2a²+6a+1)(a-5a²-6) (2y+6x)(8a-6y)+7
(2y+6x)(3a-8y)-7
(2K+6y)(5K-8y)+12k (2K+6y)(8K-5y)-12k
(-7x+4y)(2x-3y)+13
(-7x+4y)(9x-2y)-13 (8a-3)(6x-1)-6x
(8a-3)(-6x-5)+6x
(-9a-3)(5x-1)-8x+9a
(-9a-3)(7x-2)+8x-9a
(8x+6y)(2y+8x)-5x
(8x+6y)(3y+7x)+5x
(3x+5y)(-15x+5y)
(11x+4y)(-5x+15y) (8x+1)(1-6x)+8
(3x+1)(1-5x)-8
(2x-5y)(6x-3y)-5x
(2x+5y)(5x-3y)+5x (9x-4y)(-5x+9y)
(9x-5y)(-4x+3y)
(4x-2)(6+5x) (4x-5)(5+3x)