can anyone help me expand and simplify this please:
thanks
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the 3x^2 in the second brackets?
sorry if i can't see something.[/quote]
No problem here is what I did I used the fact that $\displaystyle (a+b)^2=a^2+2ab+b^2$ and adapting it to $\displaystyle (\sqrt{3}x+4)^2=(\sqrt{3}x)^+2\cdot{\sqrt{3}{x}}\c dot{4}+4^2=3x^2+8\sqrt{3}x+16$...use the thanks button if youd like