PDF chapter test TRY NOW

Answer variants:
2x43x35x25x+6
x38x2+11x+7
2x4+3x3+5x25x+6
x3+8x2+11x+7
2x43x3+5x25x+6
x38x2+11x+7
1. What should be added to 2x^3 + 6x^2 - 5x + 8 to get 3x^3 - 2x^2 + 6x + 15?
 
Answer:
 
The polynomial is
.
 
2. What must be subtracted from 2x^4 + 4x^2 - 3x + 7 to get 3x^3 - x^2 + 2x + 1?
 
Answer:
 
The polynomial is
.