Respuesta:
2
−
5
4
=
0
2x^{2}-5x-4=0
2x2−5x−4=0
a={\color{#c92786}{2}}
a=2
b={\color{#e8710a}{-5}}
b=−5
c={\color{#129eaf}{-4}}
c=−4
(
)
±
⋅
)Solución
7
√
x=\frac{5 \pm \sqrt{57}}{4}
x=45±57
Explicación paso a paso:
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Respuesta:
2
2
−
5
−
4
=
0
2x^{2}-5x-4=0
2x2−5x−4=0
=
2
a={\color{#c92786}{2}}
a=2
=
−
5
b={\color{#e8710a}{-5}}
b=−5
=
−
4
c={\color{#129eaf}{-4}}
c=−4
=
−
(
−
5
)
±
(
−
5
)
2
−
4
⋅
2
(
−
4
)Solución
=
5
±
5
7
√
4
x=\frac{5 \pm \sqrt{57}}{4}
x=45±57
Explicación paso a paso: