Answer:
(a + 3)
Step-by-step explanation:
a³ - 9a = a(a² - 9) = a(a + 3)(a - 3)
a² + a - 6 = (a - 2)(a + 3)
a⁴ + 27a = a(a³ + 27) = a(a - 3)(a² + 6a + 9) = a(a - 3)(a + 3)(a + 3)
HCF = (a + 3)
Hope it helps.
;)
<3
1. Add all of the numbers together
2. Divide the answer by how many different numbers there are (so 10)
The mean to the nearest tenth is
356.8
Consider the polynomial
It has three terms and their greatest common factor is 
Since

then
(you write in brackets the same sign as the corresponding term has).
Answer: correct choice is D.
Answer:
630 desks
Step-by-step explanation:
x=25
y=30
total desks = 25*24+30
total desks = 630