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Asked by Lily

Find the expansion of (r + 4)^3.

r^3 + (3r^2)(4) + 3r16 + 64?
12 years ago

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Answered by Steve
yes. To get full credit though, you probably need to combine factors:

r^3 + 12r^2 + 48r + 64
12 years ago
Answered by Lily
Thank you!
12 years ago
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Find the expansion of (r + 4)^3.

r^3 + (3r^2)(4) + 3r16 + 64?

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