Factor the expression
[tex]x {}^{2} - 9[/tex]
A.
[tex](x - 3) {}^{2} [/tex]
B.
[tex](x + 3) {}^{2} [/tex]
C.
[tex](x + 3)(x - 3)[/tex]
D.
[tex](x - 9)(x + 1)[/tex]

Respuesta :

Answer:

C

Step-by-step explanation:

if there is no middle term than your two term answers will be a negative and positive and since x is alone it needs no changes and u can also square the x and the 9 and u have a negative 3 and a positive 3 so your final answer is (x+3) (x-3)