RESOLVER ESTA ECUACION2x - 5x + 7 = 6x - 3 + x?
RESOLVER ESTA ECUACION 2x - 5x + 7 = 6x - 3 + x.
RESOLVER ESTA ECUACION 2x - 5x + 7 = 6x - 3 + x.
ax² + bx + c = 0
En resumen
- 3x + 7 = 7x - 3 3 + 7 = 7x + 3x 10 = 10x 1 = x.
- 3x + 7 = 7x - 3
3 + 7 = 7x + 3x
10 = 10x
1 = x.
2x + 7 = 7x + 5x - 3
7 + 3 = 12x - 2x
10 = 10x
x = 1.
(x - 5)² + x(x + 3) = 25 Efectuando x² - 10x + 25 + x² + 3x = 25 Reduciendo términos semejantes 2x² - 7x = 0 Factorizando x(2x - 7) x = 0 x1 = 0 2x - 7 = 0 2x = 7 x2 = 7 / 2 S = {0, 7 / 2}.
Resolver. X² - 15x + 56 = 0 Factorizas trinomio de la forma x² + bx + c (x - 8)(x - 7) = 0 Tiene 2 soluciones reales x - 8 = 0 x = 8 o x - 7 = 0 x = 7 Solucion. (8 , 7).
X = 15 - 7 x = 8 Suerte en tu tarea de mate.
2X = X + 7 2X - X = 7 X = 7 GRACIAS.