Răspunsuri

2014-09-20T14:27:28+03:00
( 3x-2)^{2} +( 4-6x)^{2} =0
45 x^{2} -60x+20=0 /5
9 x^{2} -12x+4=0
Δ=144-144=0
x=12/18
x=2/3
S={2/3}
1 5 1