Quadratic expressions

Here are some pointers to help you improve your mathematical skills.

Look at the example below:-

(3x-2)^{2}

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)^{2}

(3x-2) (3x-2)

now that you have this you can do the equation using the method you want.

(3x-2) (3x-2)

9x^{2}-6x-6x+4

this can then be simplified into 9x^{2}-12x+4

*tadaa!*

and that's the way to tackle this type of equation!

page revision: 1, last edited: 04 Jul 2007 09:48