Answer:
30245x⁴ - x³ + 90735x - 3
Step-by-step explanation:
1. Expand the expression
(30245x - 1)(x³ + 3)
2. Multiply
30245x x x³ + 30245x x 3-(x³ + 3)
3. Determine the sign
304245x⁴ + 90735x - (x³ + 3)
4. Rewrite the expression
30425x⁴ + 90735x - x³ - 3
= 30245x⁴ - x³ + 90735x - 3
(brainliest will be appreciated :)
