Question

Simplify the expression​

Answer 1

So the right answer is of option G.

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Answer 2

4k(2k² - 5k - 4) + 5(2k² - 5k - 4)

8k³ - 20k² - 16k + 10k² -25k - 20

8k³ - 10k² - 41k - 20

Thus its G