Q : 4          (a)   Subtract  4a-7ab+3b+12​   from   12a-9ab+5b-3

Answers (1)
S Sayak

12a-9ab+5b-3-(4a-7ab+3b+12) 
=(12-4)a +(-9+7)ab+(5-3)b +(-3-12)
 =8a-2ab+2b-15

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