Question

1) What must be added to 7x²-3x2 +
6x + 4 to make the sum x3-5x2
- x + 11​

Answer 1

Answer:

(7x²-3x²+6x+4) + (_) = x³-5x²-x+11

(_)= x³-5x²-x+11-7x²+3x²-6x-4

(_)=x³-9x²-7x+7

hope it helps you