Respuesta :
Answer:
8x² + 5x - 3
Step-by-step explanation:
Given
(3x² - 2) + (5x² + 5x - 1)
Since both parenthesis are distributed by 1 just remove them, that is
3x² - 2 + 5x² + 5x - 1 ← collect like terms
= (3x² + 5x²) + 5x + (- 2 - 1)
= 8x² + 5x - 3