Answer:
x = 2, -7
Explanation:
We can start by finding two numbers which add to make 5 and multiply to make -14. The only two which fit the bill are 7 and -2, and using that fact, we can break apart the middle term of the polynomial:

From the
, we can factor out an x, and from the
, we can factor out a 7, giving us

Or, factoring out the
,

Solving
gives us
, and solving
gives us
, so our solutions are
