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svet-max [94.6K]

3 years ago

11

Expand and combine like terms. (7b^5-4b)(7b^5+4b)=

1 answer:

adoni [48]3 years ago

7 0

Answer:

49b^10 -16b^2

Step-by-step explanation:

(7b^5)^2 -(4b)^2=

49b^10 - (4b)^2=

49b^10 - 16b^2

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