Algebra-1

Step 1: Distribute the parentheses.
(6x + 4x⁴ − 3x²) + (7x⁴ + 5x² + 8x) is the same as 6x + 4x⁴ − 3x² + 7x⁴ + 5x² + 8x.

Step 2: Combine like terms.
Combine the terms with x⁴: 4x⁴ + 7x⁴ = 11x⁴.

Combine the terms with x²: -3x² + 5x² = 2x².

Combine the terms with x: 6x + 8x = 14x.

Therefore, the simplified expression is

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