Question

Add the polynomial x³2x⅔-9;5x³+2x+9​

Answer 1

Answer:

(x+4))x

3

+2x

2

−9x+1(x

2

−2x−1

x

3

+4x

2

_______________

−2x

2

−9x

−2x

2

−8x

_____________

−x+1

−x−4

_________

5 = Remainder

∴ For making it completely divisible from (x+4)

(−5) should be added in equation.

∴x

3

+2x

2

+9x+1 can be expressed as (x

2

−2x−1)(x+4)+5.