Factorising Difference of Two Squares by Boxed Rockets

Factorising the Difference of Two Squares

x^{2} - 1

(x + 1) (x - 1)

x^{2} - 9

(x + 3) (x - 3)

x^{2} - 64

(x + 8) (x - 8)

x^{2} - 121

(x + 11) (x - 11)

9 x^{2} - 81

(3 x + 9) (3 x - 9)

4 x^{2} - 16

(2 x + 4) (2 x - 4)