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Mathematics, 28.07.2019 17:30 masad

Which statement justifies that 3x2 − 2x − 4 multiplied by 2x2 + x − 3 obeys the closure property of multiplication? the result 6x4 − 2x2 + 12 has a degree of 4. the result 6x4 − 2x2 + 12 is a trinomial. the result 6x4 − x3 − 19x2 + 2x + 12 is a polynomial. the result 6x4 − x3 − 19x2 + 2x + 12 has a degree of 4. i think it is b.

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Which statement justifies that 3x2 − 2x − 4 multiplied by 2x2 + x − 3 obeys the closure property of...
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