Question

What should be added to 4x⁴ +5x³-2x² +5x to get 5x⁴+11x-8?​

Answer 1

Answer:

x^4 - 5x³ - 2x² + 6x -8

Step-by-step explanation:

(4x^4 +5x³ -2x² +5x) + (?) = 5x^4 +11x -8

(?) = (5x^4 +11x -8) - (4x^4 +5x³ -2x² +5x)

(?) = x^4 -5x³ -2x² +6x -8