(x –y)(x +y) (2x – 1)(2x+1) (8c + 9d)(8c – 9d) (1 – 3k)(1 +3k) | (p – q)(p +q) (7+3y)(7-3y) (8b+5a)(5a – 8b) (5x-10y)(5x+10y) | (p-5)(p+5) (m-3n)(3n+m) (7x-2)(2+7x) (2m+n)(2m-n) | (9а-b²)(b²+9а) (x-3)(x+3) (4y+m)(m-4y) (4x + 3y)(3y – 4x) |
(a2-3)(a2+3) (y-a2)(y+a2) (b3-c)(b3 +c) (m2-p3)(m2+p3) | (4p+q)(q-4p) (x2 +m)(m-x2) (x3-2y4)(x3 +2y4) (0,1a – b)(0,1a +b)
| (4+ y²)(y² - 4) (x2 – 2)(x2 +2) (a2 +1)(1 –a2) (2x2 +3y)(3y-2x2)
| (7+ 3y)(3y - 7) (8c+ 9d)(9d - 8c) (a3 – 2x)(a3 +2x) (a2-4)(a2+4) |
(2a-3b)(2a+3b) (10x-6c)(10x+6c) (5a8 – 6x3)(6x3 +5a8) | (2y+3z)(2y-3z) (2a+x2)(2a –x2) (x4 –a5)(a5 +x4) | (y2 – b7)(y2 + b7) (x3 +5)(x3 -5) (10a – 0,2x3)(0,2x3 +10a) | (3a-5)(5+3a) (5a2 – 2x3)(2x3 +5a2) (2x - 1)(2x+ 1) |
(5x2+2y3)(5x2-2y3) (a3 – b2)(a3 +b2) (0,7x +y2)(0,7x-y2) (0,4c+0,8y2)(0,8y2-0,4c) | (c4-d2)(d2 +c4) (0,3a-b3)(b3 +0,3a) (2x5-3y2)(2x5 +3y2) (0,6x +0,9y3)(0,9y3-0,6x) | (5x2-0,4y2)(0,4y2+5x2) (9z6-4y3)(9z6 +4y3) (0,2m2 +0,3y5)(0,3y5-0,2m2) (1,1x2-d)(d +1,1x2) | (5x²+ 2y²)(5x²- 2y²) (1,2c2 +d)(1,2c2-d) (m4-n7)(n7 +m4) (0,4x6– 0,7y9)(0,7y9+0,4x6 |