which statement shows two polynomials 4x+6 and 2x^2-8x demonstrating the closure property when multiplied?

Question

anonymous · Answer

a.)8x^3-20x^2-48x is a polynomial
b.)8x^3+20x^2+48x may or may not be a polynomial
c.)8x^2-32x^2-14x is a polynomial
d.)8x^2+32x^2+14x may or may not be a polynomial

studygurl14 · Answer

I don't know. sorry!

anonymous · Answer

what do you think it is @bangbang559

anonymous · Answer

I have no idea... that's why I need your help

anonymous · Answer

a or c

anonymous · Answer

actually, it's a

anonymous · Answer

i dont know ether
hey @Awesome781 @beccaboo333 @Compassionate what do you think

anonymous · Answer

how do you know its a? @sourwing

beccaboo333 · Answer

Sorreh I do not know.

anonymous · Answer

you have a quadratic multiply by a linear, so the result is a cubic. And a cubic is a polynomial

awesome781 · Answer

I think @sourwing is correct

anonymous · Answer

I just sumited the answer a and @sourwing  was right :)

loser66 · Answer

I am with sourwing but not that reason,  to me, the answer is a because (4x+6)(2x^2 -8x)= 8x^3 -20x^2 -48x
dat sit

loser66 · Answer

all of them are polynomials.

anonymous · Answer

thank you all so much for your help I really appreciate it :)