3 years ago

Simplify using the horizontal method.

1 answer:

8 0

(2n2 + 4n + 4)(4n – 5)
= 8n^3 + 16n^2 +16n -10n^2 - 20n - 20
= 8n^3 +6n^2 -4n - 20

answer is d.
8n3 + 6n2 – 4n – 20

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