Question

2x3 9x2 -5x -k is divided by x-2, the remainder is 30. Find the value of
​

Answer 1

Answer:

you can find the answer by using factorisation method

Answer 2

Step-by-step explanation:2x+3)2x  

3

−9x  

2

−x−b(x  

2

−6x+17

           2x  

3

+3x  

2

 

           ______________

                    −12x  

2

−x−b

                   −12x  

2

−18x

                _________________

                            17x−b

                            17x+51

                          _______________

                                    −b−51

                          _______________

Remainder=−b−51=0

⇒b=51 for which the polynomial will be divisible by 2x+3.

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