Question

2.
(5x4 + 6x3 - x2 + x -1) + (3x4 -
5x3 – 4x²+3)​

Answer 1

(5x4 + 6x3 - x2 + x -1) + (3x4 -

5x3 – 4x²+3)

(20 + 18- 2x+ x- 1) + (12 - 15 - 4x² +3)

(37 - x) + (0 - 4x²)

37 - x - 4x²

= -4x² - x + 37