Respuesta:
[tex]x = \frac{37 \frac{ + }{ - } \sqrt{865} }{2}[/tex]
Explicación paso a paso:
[tex] {x}^{2} + 5x = 42x - 126[/tex]
[tex] {x}^{2} - 37x + 126 = 0[/tex]
por formula general
[tex]x = \frac{37 \frac{ + }{ - } \sqrt{865} }{2} [/tex]
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Respuesta:
[tex]x = \frac{37 \frac{ + }{ - } \sqrt{865} }{2}[/tex]
Explicación paso a paso:
[tex] {x}^{2} + 5x = 42x - 126[/tex]
[tex] {x}^{2} - 37x + 126 = 0[/tex]
por formula general
[tex]x = \frac{37 \frac{ + }{ - } \sqrt{865} }{2} [/tex]