Question

Factor the expression


`x {}^(2) - 9`
A.

`(x - 3) {}^(2)`
B.

`(x + 3) {}^(2)`
C.

`(x + 3)(x - 3)`
D.

`(x - 9)(x + 1)`
​

Answer 1

C

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)