Question

check whether 7+3x is a factor of 3x³+7x​

Answer 1

Step-by-step explanation:

7+3x=0

3x=-7

x=-7/3

on putting value of x=-7/3

3x³+7x

3(-7/3)³+7×-7/3

3(-343/27)-49/3

-343/9-49/3

it is not equal to zero so 7+3x is not a factor

3x³+7x

.......666........

Answer 2

Step-by-step explanation:

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