Answer:
4x2 + 23x – 72
= (4x - 9)(x+8)
Step-by-step explanation:
Answer:

Step-by-step explanation:



Answer:
-75
Step-by-step explanation:
I just checked on a calculator
Answer:
see explanation
Step-by-step explanation:
These are the terms of a geometric sequence with n th term
= a
where re a is the first term and r the common ratio
r = 9 ÷ - 3 = - 27 ÷ 9 = 81 ÷ - 27 = - 3 ← common ratio
and a = - 3, thus
[te x]a_{n}[/tex] = - 3
← explicit formula