Resuelve : con procedimiento :(6x + 7)(5x - 4) = 6(5x * 2 - 1) * = elevado a la 2?
Resuelve : con procedimiento : (6x + 7)(5x - 4) = 6(5x * 2 - 1) * = elevado a la 2.
En resumen
<img src="https://tex.z-dn.net/?f=%286x%2B7%29%285x-4%29%3D6%285x%5E%7B2%7D%20-1%29%20" /> <img src="https://tex.z-dn.net/?f=%2030%20x%5E%7B2%7D%20%20%2B11x-28%20%3D%2030%20x%5E%7B2%7D%20-6" /> 11x - 28 = - 6 11x = - 6 + 28 11x = 22 x = 22 / 11 x = 2.
Mejor respuesta
<img src="https://tex.z-dn.net/?f=%286x%2B7%29%285x-4%29%3D6%285x%5E%7B2%7D%20-1%29%20" />
<img src="https://tex.z-dn.net/?f=%2030%20x%5E%7B2%7D%20%20%2B11x-28%20%3D%2030%20x%5E%7B2%7D%20-6" />
11x - 28 = - 6
11x = - 6 + 28
11x = 22
x = 22 / 11
x = 2.