Simplify: ab - (ba - 2b) - (ab + 2a) - (a - b) + a
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Answer:
-ba+2b-ab-2a
Step-by-step explanation:
Simplifying the expression ,
ab-(ba-2b)-(ab+2a)-(a-b)+a
=ab-ba+2b-ab-2a-a+b+a
=-ba+2b-2a+b
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