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Simora [160]
3 years ago
9

Expand the following: (2 − 9b)7. Anyone know this?

Mathematics
2 answers:
Gre4nikov [31]3 years ago
6 0

128−4032b+54432b^2−408240b^3+1837080b^4−4960116b^5+7440174b6−4782969b^7

Verified Answer Gradpoint

natta225 [31]3 years ago
3 0
14- 63b                    is the answer :))))))))
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