ahanchett234 ahanchett234

01-05-2020
Mathematics

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simplify (4−b)(5b2+5b−4)

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Chelboy Chelboy

04-05-2020

Answer:15b^2-5b^3+24b-16

Step-by-step explanation:

(4-b)(5b^2+5b-4)

Open the brackets

20b^2+20b-16-5b^3-5b^2+4b

Collect like terms

20b^2-5b^2-5b^3+20b+4b-16

15b^2-5b^3+24b-16

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