Question

check whether 7+3x is a factir of 3x³+7x solve it will will mark you brainlist​

Answer 1

Answer:

7+3x. So, x=-7/3

by putting it in the given expression:

=3(-7/3)^3+7(-7/3)

so, we get -1470/27 which is not equal to zero.

So, it is not a factor