Respuesta :
Answer:
-[tex]x^{4}[/tex] - x³ + 2x² + 4x - 4
Step-by-step explanation:
This is a problem that involves combining like terms
1. Original equation
(4x³ - 3x³ + 2x² - 7) - ([tex]x^{4}[/tex] + 2x³ - 4x - 3)
2. Remove parentheses, remember to change each of the signs from the second grouping as we are subtracting
4x³ - 3x³ + 2x² - 7 - [tex]x^{4}[/tex] - 2x³ + 4x + 3
3. Rearrange so that the terms are grouped by the powers of x
-[tex]x^{4}[/tex] + 4x³ - 3x³ -2x³ + 2x² + 4x -7 + 3
4. Combine like terms based on the powers of x
-[tex]x^{4}[/tex] - x³ + 2x² + 4x - 4