To find Jackson's height, you subtract 9 from 63 which gives you 54. 63-9=54
Suppose you can factorize:

Then by expanding the right side, you have

which means in this case, you have to have
Is writing an answer......
Answer: C
Step-by-step explanation:
Bcuz when its square it results to something known as the perfect square trinomial. Thats the way i learned it. Ion know if u learned it the same way pero i hope this helps.