Question

x2/5-x/3=2/15 me ajudem por favor

Answer 1

x²/5-x/3=2/15 

mmc

5,3,15/3
5,1,5/5
1,1,1 = 5.3 = 15 

3x²-5x=2
3x²-5x-2=0 

Δ=-5²-4.3.-2
Δ=25+24
Δ=49

x=5+-√49/2.3
X'=5+7/6= 12/6 = 2 

X''=5-7/6 =  -1/6