Question

x²/4-x/3+1/9=0
Bhaskara

Answer 1

mmc (3,4,9)=2²x3²=36                               
  3-4-9 /2
  3-2-9 /2
  3-1-9/3
  1-1-3/3
  1-1-1/ 1
 
 36/4=9
   36/3=12
   36/9=4

9x²-12x+4=0
12+-√(-12)²-4.9.4/2.9
12+- √144-144/18
12+- 0/18
12+-0/18= x1=12+0/18 = 12
                 x2=12-0/18=12

Logo x1 = x2
S={12}