subtract 18ab-5b-6a from 30ab+12b +14a
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Answer:
If we subtract 18ab-5b-6a from 30ab+12b +14a then we get 12ab + 17b + 20a
Step-by-step explanation:
Subtract 18ab-5b-6a from 30ab+12b +14a
(30ab+12b +14a) - (18ab-5b-6a)
Remove bracket by changing sign
= 30ab + 12b + 14a - 18ab + 5b+ 6a
Rearrange similar terms
= 30ab - 18ab + 5b + 12b + 14a+ 6a
= (30 -18)ab + (5 +12)b + (14 + 6)a
= 12ab + 17b + 20a
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