Respuesta :
Answer:
(u+3)(u-3)
Step-by-step explanation:
u²-9 = u²-3²
a²-b²=(a+b)(a-b)
u²-3²=(u+3)(u-3)
Answer:
u²-9
=u²-3²
=(u+3)(u-3)
Step-by-step explanation:
use formula a²-b²=(a+b)(a-b)
Answer:
(u+3)(u-3)
Step-by-step explanation:
u²-9 = u²-3²
a²-b²=(a+b)(a-b)
u²-3²=(u+3)(u-3)
Answer:
u²-9
=u²-3²
=(u+3)(u-3)
Step-by-step explanation:
use formula a²-b²=(a+b)(a-b)