Explanation:
19.4(x-4)
20. 6*3k + 7*6
6(3k+7)
22. 2*5m - 2 * 4n
2(5m - 4n)
23. 9p + 5p -6-8
14p - 14
Answer:
19. 4(x-4)
20. 6(3k+7)
21. prime
22. 4(5m-2n)
23. 14p-14= 14(p-1)
24. 35+5r= 5(7+r)
25. 10x - 14y= 2(5x- 7y)
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