pls help me. rlly need help. question in picture. pls hurry

Answer:
[tex](x-9)(x-6)[/tex]
Step-by-step explanation:
Factor [tex]x^2-15x+54[/tex]
Find two numbers that add up to -15 and multiply to 54 (hint hint, two negatives makes a positive hint hint):
[tex]-9, -6[/tex]
Rewrite the expression:
[tex](x-9)(x-6)[/tex]
Finito.