(a – b)2=а^2-2ab+b^2
(n – m)2=n^2-2mn+m^2
(с – 5)2=c^2-10c+25
(p – q)2=p-2pq+q^2
(2m – n)2=4m^2-4mn-b^2
(2a – 8)2=4a^2-32a+64
(6 – 3b)2=36-36a+9b^2
(5k – 0,3)2=25k-3k+0,09
(q – 0,1)2=q-0,2q+0,01
(0,7 – x)2=0,49-1,4x+x^2
(6 – 2b)2=36-24b+4b^2
(x – 3y)2=x^2-6xy+9y^2
(2х – 5)2=4x^2-20x+25
(11 – d)2=121-22d+d^2
(7а – 4в)2=49a^2-56ab+16b^2
( x – y)2=x^2-2xy+y^2
(a – b)2=а^2-2ab+b^2
(0,1х – 10у)2=0,01x^2-2xy+100y^2
(13а – 1)2=169a^2-26a+1
(0,8х – 5)2=0,64x^2-8x+25
(с4 – 7)2=c^8-14c^2+49
(3a – b3)2=9а^2-6аb^3+b^9
(4a2 – b)2=16a^4-8a^2b+b^2
(x5 – 2)2=x^10-4x^5+4
(6x – 2y)2=12x^2-24xy+4y^2
(8b – 9a)2=64b^2-144ab+81a^2
(0,5a – 30b)2=0,25a^2-30ab+900b^2
(0,2x – 0,6y)2=0,04x^2-0,24xy+0,36y^2
(n - m)(n + m)=n^2-n^2
(x - y)(x + y)=x^2-y^2
(a + b) (a - b)=a^2-b^2
(2 - a)(a + 2)=4-a^2
(3 - x)(3 + x)=9-x^2
(a - 7)(7 + a)=a^2-49
(p + 5) (p - 5)=p^2-25
(8c – 9d)(8c + 9d)=64c^2-81d^2
(n - 3m)(n + 3m)=n^2-9m^2
(7x – 3y)(7x + 3y)=25n^2-64m^2
(5n - 8m)(5n + 8m)=25n^2-64m^2
(x + 2y) (x – 2y)=x^2-4y^2
(x2 + 5) (x2 - 5)=x^4-25
(a - 1)(a + 1)=a^2-1
(10 - x)(10 + x)=100-x^2
(c - 4)(c + 4)=c^2-16
(3a - 1)(3a + 1)=9a^2-1
(6n - 8)(6n + 8)=36n^2-64
(9p - q)(9p + q)=81p^2-q^2
(7 - 5m)(7 + 5m)=49-25m^2
(4 + 3m) (3m - 4)=9m^2-16
(b- 5a)(5a + b)=b^2-25a^2
(x – 0,5)(x + 0,5)=x^2-0,25
(0,3 + 2b) (0,3 – 2b)=0,09-4b^2
(x – 0,6)(0,6 + x)=x^2-0,36
(10a - b)(b + 10a)=100a^2-b^2
(0,1 - m)(0,1 + m)=0,01-m^2
(4n - 2m)(4n + 2m)=16n^2-4m^2
(0,9c - m)(0,9c + m)=0,81c^2-m^2