- #1
Jaco Viljoen
- 160
- 9
Homework Statement
Without solving the equation 3x^2-8x-3=0 show it has 2 different rational roots.[/B]
Homework Equations
ax^2+bx+c=0
The Attempt at a Solution
I would appreciate if someone would check my work, and advise if I have done the right or wrong thing? Thank you, Jaco
[/B]
3x^2-8x-3=0
a=3 b=-8 c=-3
a*b=-9+1=-8
3x^2-9x+1x-3=0
3x(x-3)+1(x-3)
3x+1=0
x=1/3
x-3=0
x=3
so x=1/3 and x=3