Question

add the following (11 a+15b-8c+7d), (10a+9c-13d) and(9a+8b-11c-17d)​

Answer 1

Answer:

(11a+15b-8c+7d)+(10a+9c-13d)+(9a+8b-11c-17d)

a(11+10+9)+b(15+8)+c(-8+9-11)+d(7-13-17)

a(30)+b(23)+c(-10)+d(-23)

30a+23b-10c-22d

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Answer 2

Answer:

This is ur answer

Step-by-step explanation:

Actually I have not removed the nos. from bracket so plz remove the nos. from bracket and write it as ur 2nd step