Question

Which of these is equivalent to 20pq − 4pr + 10 − 2r?
•4p(5q − r) + (5q − r)
•4p(5q − r) - (5q − r)
•4p(5q − r) +2 (5q − r)
•4p(5q − r) -2 (5q − r)


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Answer 1

Answer:

Option 3 is correct

Step-by-step explanation:

$20pq \: - 4pr + 10q - 2r \\ = 4p(5q - r) + 2(5q - r)$

Answer 2

Step-by-step explanation:

option 3 is correct.................