Question

Which expression is the simplest form of 3x³ − x² + 2(x³ − 4x²)?
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Answer 1

Explanation:

`= 3 {x}^(3) - {x}^(2) + 2 {x}^(3) - 8 {x}^(2) \\ = 3 {x}^(3) + 2 {x}^(3) - {x}^(2) - 8 {x}^(2) \\ = 5 {x}^(3) - 9 {x}^(2)`

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