Question

Which statement justifies that 2x^2 + x - 3 multiplied by x^2 - 3x - 2 obeys the closure property of multiplication?

The result 2x^4 - 5x^3 - 10x^2 + 7x + 6 is a polynomial.
The result 2x^4 - 5x^3 - 10x^2 + 7x + 6 has a degree of 4.

Answer 1

Its A and im sure

Answer 2

@Elise_a18

Answer 3

I thought it would be the second.. how come it's A? I'd like to understand if you know what I mean :)