3(x-5)²=4
(x-5)²=4/3
x=5+2√3/3x=5-2√3/3
3x²-10x+6=0
x²-10x/3+25/9=7/9
(x-5/3)²=7/9
x=5/3+√7/3 x=5/3-√7/3