Answer:
What is the processor of a computer called?
central processing unit (CPU)
The computer's central processing unit (CPU) is the portion of a computer that retrieves and executes instructions. The CPU is essentially the brain of a CAD system. It consists of an arithmetic and logic unit (ALU), a control unit, and various registers. The CPU is often simply referred to as the processor.
Step-by-step explanation:

we can divide the equation on (x+1) and if we have a real solutons (x+1) is a factor
is a factor because the remainder is 0
so the new form of the equation is
Answer:
4
Step-by-step explanation:
It's AoPS question
Answer:
i have made it in above picture
hope it helps