Answer:
18x³ + 36x² + 22x + 8
Explanation:
Multiply 3x + 4 times each term in the latter equation. 6x² times 3x + 4 is 18x³ + 24x².
3x + 4 times 4x is 12x² + 16x.
3x + 4 times 2 is 6x + 8.
Combine like terms to get 18x³ + 36x² + 22x + 8
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