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Mathematics, 11.03.2020 23:17 oh2joy

Choose the correct simplification and demonstration of the closure property given: (2x3 + x2 βˆ’ 4x) βˆ’ (9x3 βˆ’ 3x2).

βˆ’7x3 + 4x2 βˆ’ 4x; may or may not be a polynomial
βˆ’7x3 + 4x2 βˆ’ 4x; is a polynomial
11x3 βˆ’ 2x2 βˆ’ 4x; may or may not be a polynomial
11x3 βˆ’ 2x2 βˆ’ 4x; is a polynomial

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Choose the correct simplification and demonstration of the closure property given: (2x3 + x2 βˆ’ 4x) βˆ’...
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