Question

When 2x3+9x2-5x-k is divided by x-2 remainder is 3,find k

Answer 1

Answer:

K=49

Step-by-step explanation:

Remainder =3 and x=2

2x³+9x²-5x-k=3

2(2) ³+9(2) ²-k=3

16+36-k=3

52-k=3

-k=3-52

-k= -49

K= 49