Answer:
(6x+3)(6x-3)
Step-by-step explanation:
I used FOIL
Multiply the first numbers 6x*6x=36x^2
The outer -18x
Inner 18x which the outer and the inner cross out
Last 3*-3=-9
36x^2 -9
(6x+3) (6x—3)
(6x + 3) (6x—3)
(6x • 6x ) + (6x • -3) + (3 • 6x) + (3• -3)
36x² -18x + 18x -9
36x²-9
