Which binomial is a factor of X^3 - 3x^2 - 28x a) x - 4
b) x^2 - 4
c) x - 7
d) x^2 - 7

7

step-by-step explanation:

i'm assuming you need to figure out how many campers go into each tent.

i got the answer by:

24+4=28

28/4=7  

x² + 3x + 7 = 0       [ax² + bx + c]

a = 1

b = 3

c = 7

quadratic formula:

    (+/- is this ±)

plug in the numbers into the variables

your answer is a