What is the value of $p(-10)+p(-4)$?

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The function

p

is defined by

p (x) = a ((x + 5)^{2} - b) ((x + 5)^{2} - c)

where

a

b

, and

c

are constants. In the

x y

-plane, the graph of

y = p (x)

passes through the points

(- 6, 30)

and

(0, 342)

What is the value of

p (- 10) + p (- 4)

372