I am not getting the answer that my calculator is giving me for the following:(adsbygoogle = window.adsbygoogle || []).push({});

Find the following values for x^2-1 (all over) x+4

f(2a-1)

I am getting 4a^2 (all over) 2a+3 for my final answer and my calculator is getting (2a-1)^2-1 (all over) 2a+3.

What did I do wrong? Also, how do you work the math latex references?

these:

[x[2]^{}[/tex]-1]\frac{}{}[/x+4]

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# Find f(x)

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