What should be added in 4x^3+10x^2+12x+6 to make it perfectly divisible by x+1?

What should be added in 4x^3+10x^2+12x+6 to make it perfectly divisible by x+1?

4x^3+10x^2+12x+6 میں کیا شامل کیا جائے تاکہ اسے x+1 سے مکمل طور پر تقسیم کیا جاسکے؟
Explanation

The value that should be added to the polynomial to make it perfectly divisible by x + 1 is 0.