Algebra-1

Step 1: Distribute the parentheses.
(6x³ − 4x² + 3x +1) + (-2x³ + 5x² − x - 4) is the same as 6x³ − 4x² + 3x +1 − 2x³ + 5x² − x - 4.

Step 2: Combine like terms.
Combine the terms with x³: 6x³ - 2x³ = 4x³.

Combine the terms with x²: -4

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