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how to remove the grouping symbols and combine similar terms?
-3y+2[5y-3(y-4)-6]

Sagot :

Raquelviz
-3y +2[ 5y -3(y-4) -6]
-3y +2(5y -3y+12-6)
-3y +2(2y+6)
-3y +4y +12
the answer is : y+12