Math, asked by aaminah85, 9 months ago

Simplify
(b2 –49)(b+7)+343
no irrelevant answers pls

Answers

Answered by mesonam

12

please mark me as brain list

Attachments:

Answered by vasidoct123

1

Answer:

The given expression is (b2-49)(b + 7) + 343

= b2*b + 7b^2-49b-49*7 + 343

= b^3 + 7b^2-49b-343 + 343

= b^3 + 7b^2-49b

Therefore, (b^2-49)(b + 7) + 343 = b^3 + 7b^2-49b

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