Puedes resolver las siguientes ecuaciones? A_ x + ( - 7) = + 5 b_ x + ( + 3) = - 9 c_ ( - 6) + x = - 2 d_ ( + 7) + x - + 4 e_ ( - 1) + x = - 6 f_ x + ( + 2) = + 10 g_ ( - 4) + x = - 1 h_ ( + 9) + x = - 9 i_ x + 5 = 8 j_ x - 5 - 6 k_ x + 13 = 2 L _ 4 - x = 12 m_ 9 - x = - 2 h_ - 2 - x = 5.
En resumen
A)X + ( - 7) = + 5__X - 7 = 5 __ X = 5 + 7__ X = 12 b)X + ( + 3) = - 9__X + 3 = - 9__X = - 9 - 3. X = - 12 c)( - 6) + X = - 2__ X = - 2 + 6__ X = 4 d)Copiar Bien!
A)X + ( - 7) = + 5__X - 7 = 5 __ X = 5 + 7__ X = 12
b)X + ( + 3) = - 9__X + 3 = - 9__X = - 9 - 3.
X = - 12
c)( - 6) + X = - 2__ X = - 2 + 6__ X = 4
d)Copiar Bien!
E)( - 1) + X = - 6__X = - 6 + 1__X = - 5
f)X + ( + 2) = ( + 10)__X + 2 = 10__X = 10 - 2_X = 8
g)( - 4) + X = - 1__X = - 1 + 4__X = 3
h)( + 9) + X = - 9__X = - 9 - 9__X = - 18
I)X + 5 = 8__X = 8 - 5__X = 3
j)Copiar Bien!
K)X + 13 = 2__X = 2 - 13__X = - 11
l)4 - X = 12__ - X = 12 - 4__ - X = 8__X = - 8
m)9 - X = - 2__ - X = - 2 - 9__ - X = - 11_X = 11
n) - 2 - X = 5__ - X = 5 + 2__ - X = 7__X = - 7.
A) x³ + 75 = 200 x³ = 200 - 75 x³ = 125 x = ³√125 x = 5 Rpta : 5 b)(x + 2)² = 81 x + 2 = √81 x + 2 = 9 x = 9 - 2 x = 7 Rpta : 7 c)√x - 3 = 6 x - 3 = 6² x - 3 = 36 x = 36 + 3 x = 39 Rpta : 39.
Y = x² - 3x + 2 - y = 5x - 10 ______________ x² - 8x + 12 Factorizando : (x - 6) (x - 2) Soluciones : x - 6 = 0 - - - > x = 6 ; x - 2 = 0 - - - - > x = 2 y = 20 y = 0.
(x² - 3y)³ Aplicando el triángulo de Tartaglia que tiene como coeficientes el 1 3 3 1. Se aplica la 2º fórmula : (a + b)³ = a³ + 3 a²b + 3 ab² + b³ (a - b)³ = a³ - 3 a²b + 3 ab² - b³ Donde : a = x² b = 3y (x² - 3y)³…