Respuesta :

Abdsalam

Answer:

Quadratic equation

Explanation:

For example

[tex] {x} ^{2} + x - 2 = 0[/tex]

[tex]x^{2} + 2x - 1x - 2 = 0[/tex]

[tex]x(x + 2) - 1( x + 2)[/tex]

[tex](x - 1)(x + 2)[/tex]

[tex]x = 1.x = - 2[/tex]

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