Question

answer the question in pic ⬇⬇​

Answer 1

Answer:

• The value of the constant a in the above given polynomial f(x) = x^3 + 12 x^2 + 39 x + a is 28.

Step-by-step explanation:

• Let the zeros be u, u+v and u-v as they are arithmetic progression .
• Find f(u), f(u+v) and f(u-v) as they are zero.

Solve the equations. ✔

• Kindly check the image attachment!

Answer 2

(4x-7x+3)

x(4x-7x+3)

4x2-7x2+3x

3x2 +3x

6+x3