2 years ago

Simplify (4−b)(5b2+5b−4)

Mathematics

1 answer:

astraxan [27]2 years ago

4 0

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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