Question

ce rezultat are (x-2) la a 2 si (x-3) la a 2

Answer 1

[tex] (x-2)^{2} = x^{2} -4x +4 [/tex]
$(x-3)^{2}= x^{2} -6x+9$
Toate acestea provin de la formula $(a-b)^{2}= a^{2} -2ab- b^{2}$