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bagirrra123 [75]
3 years ago
13

Reuve

Mathematics
1 answer:
NikAS [45]3 years ago
5 0

Answer:

Choice A

Step-by-step explanation:

(5r - 4)(r² - 6r + 4)

distributive property of multiplication.

5r(r² - 6r + 4) - 4(r² - 6r + 4)

5r³ - 30r² + 20r - 4r² + 24r - 16

group like terms and simplify.

5r³ - 30r² - 4r² + 20r + 24r - 16

5r³ - 34r² + 44r - 16  

Choice A.

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