Respuesta :
Answer:
C
Step-by-step explanation:
Given
(3x² + 5x - 8) + (5x² - 13x - 5) ← remove the parenthesis
= 3x² + 5x - 8 + 5x² - 13x - 5 ← collect like terms
= 8x² - 8x - 13 → C
Answer:
C. [tex]\displaystyle 8x^2 - 8x - 13[/tex]
Step-by-step explanation:
All you are doing is combining like-terms:
[tex]\displaystyle 8x^2 - 8x - 13 = [3x^2 + 5x - 8] + [5x^2 - 13x - 5][/tex]
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