Question

Find whether 7 +3x is a factor of 3x^3+7x

Answer 1

Answer:

No

Step-by-step explanation:

If 7+3x is a factor of 3x^3+7x,where polynomial(x)=3x^3+7x

Then:7+3x=0

Therefore x= -7/3

Now putting their values;

p(x)=3x^3+7x

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

          =3(-343/9)+(-49/3)

          = -343/3-49/3

        = -490/3

On dividing the polynomial 3x^3+7x the remainder is not zero.

So we conclude that 7+3x is not a factor of 3x^3+7x.

Hope you find it helpful.

Answer 2

Step-by-step explanation:

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