Respuestas

2012-10-23T18:11:31+02:00

log (5x-3)^{2} + log (2x+3)^{2} = 2

2 log (5x-3) + 2 log (2x+3) = 2

2 ( log (5x-3) + log (2x+3) ) = 2

log [(5x - 3) / (2x+3) ] = 2/2

(5x - 3) / (2x+3) = 10

5x - 3 = 20x + 30

x = -15/33