Question

show that(x+3)is a factor of the polynomial x³-3x²-10x+24​

Answer 1

Answer:

3

−3x

2

−10x+24

To show if (x−2) is a factor, it is enough to show that at x=2, value of the polynomial is zero.

∴(2)

3

−3(2)

2

−10(2)+24

⇒8−12−20+24=0

Hence, (x−2) is a factor of polynomial.

Answer 2

Answer:

3

−3x

2

−10x+24

To show if (x−2) is a factor, it is enough to show that at x=2, value of the polynomial is zero.

∴(2)

3

−3(2)

2

−10(2)+24

⇒8−12−20+24=0

Hence, (x−2) is a factor of polynomial.