Respuesta :

AdeTolu

Answer:

[tex] {x}^{2} - 2x - 46[/tex]

Step-by-step explanation:

[tex] {2x}^{2} + 3x - 7 = {x}^{2} + 5x + 39[/tex]

Collect like terms

[tex] {2x }^{2} - {x}^{2} + 3x - 5x - 7 - 39[/tex]

[tex] { x}^{2} - 2x - 46[/tex]

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