Question

ME AJUDEM?
(1 - x)(x + 1)

(x + 5)(5-X)​

Answer 1

$(1 - x) \times (x + 1) \\ (1 - x) \times (1 +x ) \\ 1 - {x}^{2}$

$(x + 5) \times (5 - x) \\ (5 + x) \times (5 - x) \\ 25 - {x}^{2}$