Answer:
(x + 5) (x^2 -3)
Step-by-step explanation:

Do the grouping:

Then factor out
in the first and −3 in the second group.

Factor out the common term x + 5 by using the distributive property.
Polynomial
is not factored in since it does not have any rational roots, thus getting the following:

Answer:
6
Step-by-step explanation:
To solve this problem, you simply plug 2 in for x in the equation of f(x):
f(2) = 2 + 4 = 6
Thus, the answer is 6.
Hope this helps!
Answer:
90
Step-by-step explanation:
18+20+15+34=88 round to the nearest tenth =90