Question

Check whether 7 + 3x is a factor of 3x + 7x.​

Answer 1

Answer:

$there \: is \: a \: mistake \\ its \: not3x + 7x \: instead \: it \: is3 {x}^{2} + 7x$

Answer 2

Answer:

I think it helps you⬇️⬇️

Step-by-step explanation:

p(x)=3x+7=0

3x=0-7

3x=-7

x=-7/3

p(-7/3)=3(-7/3)³+7(-7/3)

=3(-343/27)-(49/3)

=-343/9-49/3

=-343-147/9

=-490/9

Therefore,3x+7 is not a factor of 3x³+7x

Please mark it as brainlist answer ✍️✍️