Determine el conjunto solución de cada ecuación
a) -4x + 8 = -x - 7
b) x2 + 8x + 15 = 0
c) 12x2 4x = 0
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-4x + 8 = -x - 7
8+7 = x +4x
15 = 5x
15/5 = x
3 = x
x +5
x +3
5x + 3x = 8x
(x+5)(x+3) = 0
x +5 = 0 x+3 = 0
x = -5 x= -3
CS = (-5;-3)
4x(3x-1) = 0
4x = 0 3x - 1 = 0
x = 0/4 3x = 1
x = 0 x = 1/3
CS = (0; 1/3)
8+7 = x +4x
15 = 5x
15/5 = x
3 = x
x +5
x +3
5x + 3x = 8x
(x+5)(x+3) = 0
x +5 = 0 x+3 = 0
x = -5 x= -3
CS = (-5;-3)
4x(3x-1) = 0
4x = 0 3x - 1 = 0
x = 0/4 3x = 1
x = 0 x = 1/3
CS = (0; 1/3)
pedrosejin1:
Amigo que significa "cs"
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