404 is the answer. if you add them all together
Answer:

Step-by-step explanation:

(simplify)

(Add 3 to both sides)
(simplify)

(Multiply both sides by p)

(Multiply both sides by 2)

(Divide both sides by 7)
Answer:
A
Step-by-step explanation:
(a + 1)(a² + 2a + 1)
= a(a² + 2a + 1) + 1(a² + 2a + 1)
= a³ + 2a² + a + a² + 2a + 1
= a³ + 3a² + 3a + 1
Answer: b