Given

Divide it by (x+1) using synthetic division, as shown below
The green line is a minus sign.
Thus,

Therefore, since the remainder is different than zero, (x+1) is not a factor of 4x^2+2x-5
Step-by-step explanation:
3=-x+5
x=2
................
Hope this is what you are looking for
Answer:
184
Step-by-step explanation:
Just multiply 12 by 7
H = 7n would be the answer