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For you to enhance your skills in addition of polynomials, answer the next
activity. Write your solutions on your answer sheet.
Add vertically: (12a? + 8a - 4) + (3a? -5a-16)
Add horizontally: (15b-9) + (7b + 6)​

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Answer:

1.) (12a + 8a - 4) + (3a - 5a - 16)

(20a - 4) + (-2a - 16)

= 18a - 20

2.) (15b - 9) + (7b + 6)

= 22b - 3