2 years ago

Help please I need asap

Mathematics

1 answer:

nlexa [21]2 years ago

5 0

Answer: -120

Step-by-step explanation:

$2\sum^{4}_{p=1} (p^{2}-9p)=2[(1^{2}-9(1))+(2^{2}-9(2))+(3^{2}-9(3))+(4^{2}-9(4))]=\boxed{-120}$

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