Step-by-step explanation:
X+4 is prime. X2-9can be factored using the formula
Answer:
a the answer is a
(x - 1) x (5x + 4)
5 x 2 – 4 = 6
5 x 4 – 4 = 16
6 x 2 – 11x – 4 = 56
5 x 2 – x – 4 = (x - 1) x (5x + 4)
third side range
5
<
C
11