The answer too this question is 4
X⁴ + x³ - 2x² + x + (2x⁴ - 2x²<span> - 3) =
</span>x⁴ + x³ - 2x² + x + 2x⁴ - 2x² - 3 =
3x⁴ + x³ - 4x² + x - 3 ← <span>the missing polynomial</span>

Here's the solution ~




Therefore, the correct choice is A
Answer:
14 + x
Step-by-step explanation:
14 + x
Hope it helps.