3a -2b + ab - (a - b + ab ) + 4ab + b - a simplify
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Answer:
a + 4ab
Step-by-step explanation:
3a -2b + ab - (a - b + ab ) + 4ab + b - a
= 3a - 2b + ab - a + b - ab + 4ab + b - a
= 3a - a - a - 2b + b + b + ab - ab + 4ab
= a + 4ab
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