Respuesta :

Answer:

[tex]6 {x}^{2} - 5x - 4[/tex]

Step-by-step explanation:

[tex](2 {x}^{2} - 3x + 1) + (4 {x}^{2} - 2x - 5) = \\ 2 {x}^{2} + 4 {x}^{2} - 3x - 2x + 1 - 5 = \\ 6 {x}^{2} - 5x - 4 [/tex]

Answer:

B

Step-by-step explanation:

topic: polynomials

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