Question

Solve. 3x^2 – 10x + 5 = 0
x=2+_ sqrt 20
x=-10 +_ sqrt 40 / 6
x=4 +_ sqrt 40
x=5 +_ sqrt 10 / 3

Answer 1

x = 1/3 (5+sqrt(10))
x = 1/3 (5-sqrt(10))
a = 3
b = -10
c = 5
Use the quadratic formula

Answer 2

let's cheat
http://www.wolframalpha.com/input/?i=+3x^2+%E2%80%93+10x+%2B+5+%3D+0

Answer 3

D

Answer 4

thanks for the website. helped a lot.