Quadratic expressions

Here are some pointers to help you improve your mathematical skills.
Look at the example below:-
Now the common mistake is to do 9x-4 however this is incorrect.
when facing an equation such as this, here's the method you should use:-
the equation has to be split into 2.
(3x-2) (3x-2)
now that you have this you can do the equation using the method you want.
(3x-2) (3x-2)
this can then be simplified into 9x2-12x+4
and that's the way to tackle this type of equation!

Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-Share Alike 2.5 License.