Thread: [SOLVED] Expanding brackets and Simplyfying

How can I simplyfy this:

4x(x+3)+4x2+x

and this:

c2 X 4cb

and this:

-9z(z3 - 4z+5)

Thank you!!!!!!!!!!!!

Originally Posted by Shandy

How can I simplyfy this:

4x(x+3)+4x2+x

and this:

c2 X 4cb

and this:

-9z(z3 - 4z+5)

Thank you!!!!!!!!!!!!

Multiply:



Add common terms:



Factor:



-----------------------------

c2 X 4cb <------ You need to clarify this.

-----------------------------



Multiply:



Factor:

Originally Posted by Shandy

How can I simplyfy this:

4x(x+3)+4x2+x

and this:

c2 X 4cb

and this:

-9z(z3 - 4z+5)

Thank you!!!!!!!!!!!!

Hi Shandy,

Distribute the 4x in the first one and then combine like terms.



In the second one,



And the third one,



Remember the rule