Question

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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.

Answer 1

it is c

Answer 2

Thank you! ^.^

Answer 3

C

Answer 4

I appreciate your help, guys!

Answer 5

you are welcome