Respuestas
Respuesta dada por:
13
4x² - 20x + 25 = 0
![X= \frac{-b+/- \sqrt{b^{2}-4ac } }{2a} X= \frac{-b+/- \sqrt{b^{2}-4ac } }{2a}](https://tex.z-dn.net/?f=X%3D+%5Cfrac%7B-b%2B%2F-+%5Csqrt%7Bb%5E%7B2%7D-4ac+%7D+%7D%7B2a%7D+)
Donde:
a= 4; b = -20; c = 25
x=![\frac{-(-20)+/- \sqrt{20^{2}-4(4)(25) } }{2(4)} \frac{-(-20)+/- \sqrt{20^{2}-4(4)(25) } }{2(4)}](https://tex.z-dn.net/?f=+%5Cfrac%7B-%28-20%29%2B%2F-+%5Csqrt%7B20%5E%7B2%7D-4%284%29%2825%29+%7D+%7D%7B2%284%29%7D+)
X =![\frac{20+/- \sqrt{400-400} }{8} \frac{20+/- \sqrt{400-400} }{8}](https://tex.z-dn.net/?f=+%5Cfrac%7B20%2B%2F-+%5Csqrt%7B400-400%7D+%7D%7B8%7D+)
X = (20 +/- √0)/8 = 20/8 = 5/2
X = (5/2) = 2.5
Rta X = 5/2
Donde:
a= 4; b = -20; c = 25
x=
X =
X = (20 +/- √0)/8 = 20/8 = 5/2
X = (5/2) = 2.5
Rta X = 5/2
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