Question

If (2x+1) is afactor of 6x cube + 5x square + ax -2 find the value of a

Answer 1

Answer:

a=-3

Step-by-step explanation:

1. Do long division, (6x^3 + 5x + ax - 2)/(2x+1).

2. As (2x+1) is factor of 6x^3 + 5x + ax - 2 equation, there will be no remainder exist.

3. By completing the comparison among the part x and the integer part, value of a can be obtained.

4. Refer to the picture for detail working.

Answer 2

Step-by-step explanation:

answer. a=-3

explanation is given above check it