1.
[tex](x + 2)^{2} = {x}^{2} + 4x + 4[/tex]
2.
[tex] {x}^{2} - {y}^{2} = (x - y) \times (x + y) [/tex]
3.
[tex](y - 5)^{2} = {y}^{2} - 10y + 25[/tex]
4.
[tex]4(x + 3) = 4x + 12[/tex]
5.
[tex] {a}^{2} - {b}^{2} = (a - b) \times (a + b) [/tex]
6.
[tex](y + 1) ^{2} = {y}^{2} + 2y + 1[/tex]
7.
[tex]5(y - 4) = 5y - 20[/tex]
8.
[tex]( {y}^{2} - 16) = (y - 4) \times (y + 4)[/tex]
9.
[tex]9(x - 2) = 9x - 18[/tex]
10.
[tex]10(y - 6) = 10y - 60[/tex]