Math, asked by ayesh4986, 6 months ago

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

Answers

Answered by mayankkumarmk1212
2

Answer:

3x^2+7x

x(3x+7)                                     (taking x as common)

x(3x+7)

ans. Hence proved. that 3x+7 is a factor.

Answered by IQcrabby77
5

Answer:

put divisor =0

7-3x=0

-3x=-7

x=7/3

let

p(x) =3xcube+7x

p(7/3) =3(7/3) cube+7(7/3)

3x(343/18) +49/3

343/6+49/3

343+98/6

441/6

73.5

sicne remainder is not 0

7-3x is not a factor of 3x³+7x

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