ninochipsjr628
ninochipsjr628 ninochipsjr628
  • 09-03-2018
  • Mathematics
contestada

Expand the following: (2 − 9b)7.

Anyone know this?

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abbeykrugh abbeykrugh
  • 09-03-2018
14- 63b                    is the answer :))))))))
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jjsiahmoto5 jjsiahmoto5
  • 08-07-2019

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

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