Question

why x2 + 9x + 12 is not factorable?

Answer 1

what do u mean by factorable?

Answer 2

that it cannot be factored

Answer 3

It is not factorable because it cannot be written in the form (ax + b)(cx + d)

Answer 4

but why?

Answer 5

it can be factored..put x=1..it becomes 22..which is 2 *11..

Answer 6

It cannot be written in factorable form because the roots of x are not integers.