Question

does anyboys know how to do solving quadratic equations and inequalities?

Answer 1

The answer is YES.

Answer 2

3x squared -4x=4 what are the vales of x?

Answer 3

http://en.wikipedia.org/wiki/Quadratic_equation
so now yours:
a = 3
b = -4
c = 0
Lets try at least once.

Answer 4

kk thanks

Answer 5

you are wellcome.
For check the result is
x1 = 8/6 = 4/3
or
x2= 0
If not, write what you did

Answer 6

didnt get the right answer

Answer 7

as you can see on the wikipedia, this is that equation
http://upload.wikimedia.org/math/3/e/a/3ea647783b5121989cd87ca3bb558916.png
... that you need.
-b = +4
D= sqrt(b^2 -4ac) = sqrt(-4^2 * -4(3 *0)) = sqrt(16) = 4
2*a = 2*3 = 6
If you solve this, you must get that

Answer 8

nope

Answer 9

try to write here, what you do