Answer:
7x³ + 4x² + 3x + 6
Step-by-step explanation:
Standard form of a polynomial begins with the term containing the largest exponent of the variable followed by descending values of the exponent.
Given
3x + 4x² + 6 + 7x³ then
7x³ + 4x² + 3x + 6 ← in standard form
