Respuesta :

Answer:

8x³ - 2x² + 3x

Step-by-step explanation:

Given

(3x³ - 4x² + 6x + (- 3x + 2x² + 5x³) ← remove parenthesis

= 3x³ - 4x² + 6x - 3x + 2x² + 5x³ ← collect like terms

= 8x³ - 2x² + 3x

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