Sagot :
Answer:
A. 16x^2 -81
Step-by-step explanation:
(4x+9)(4x-9)
F.O.I.L. method
16x^2 - 36x +36x -81
16x^2 -81
Sana po nakatulong...
Answer:
A. 16x^2 -81
Step-by-step explanation:
(4x+9)(4x-9)
F.O.I.L. method
16x^2 - 36x +36x -81
16x^2 -81
Sana po nakatulong...