a-1/3[(a^2-5b)-2{2a^2-(3c-2b)
PLEASE ANSWER NOT FOR POINT
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a- 1/3a^2+5/3b-4a^2+6c+4b
a-1/3a^2-4a^2+5/3b+4b+6c
a-13/3a^2+17/3b+6c
i hope it helps u
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