Question

Find the value of a if (x+a) is a factor of (2x)³ + 8ax² + 5x + 12​

Answer 1

Step-by-step explanation:

x+a is factor of (2x)^3+8xa^2+5x+12.

dividing (2x)^3+8xa^2+5x+12by x+a

value of a is 4 hope it is helpful