-3(1 - x2) - 2{x2 - (3 - 2x2)}
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Answer:
The question has an error. Edit : Sry I thought it was multiplication symbol.
Step-by-step explanation
= -3 + 3 x2 - 2 x2 + 6 - 4 x2
= 3 - 3 x2
= 3 (x2 - 1)
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