Respuesta :
[tex]2 {x}^{2} + x - 1 = 2 [/tex]
Subtract sides -2
[tex]2 {x}^{2} + x - 1 - 2 = 2 - 2 [/tex]
[tex]2 {x}^{2} + x - 3 = 0 [/tex]
[tex](x - 1)(2x + 3) = 0[/tex]
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[tex]x - 1 = 0[/tex]
[tex]x = 1[/tex]
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[tex]2x + 3 = 0[/tex]
[tex]x = - \frac{3}{2} \\ [/tex]
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Done♥️♥️♥️♥️♥️