Suppose that a classmate asked you why (2x+1)2 is not (4x2+1). Write down your response to the student.

Question

shadowlegendx · Answer

Did you mistake the placement of the 2 outside the parentheses in (2x+1)2 ?

shadowlegendx · Answer

If not, I assuming this is to test your knowledge of mathematics

shadowlegendx · Answer

Well, (2x + 1)2 is saying 2 times (2x + 1) which is 4x + 2

radar · Answer

$$(2x + 1)^{2}\neq 4x ^{2}+1$$

anonymous · Answer

I need to figure out how to say explain it in my discussion board.

shadowlegendx · Answer

In order for it to be 4x^2, it would have to multiply the 2x by 2x, which is not the case

shadowlegendx · Answer

Basically, you would say the classmate multiplied incorrectly.

radar · Answer

It would help if you used the "Equation" button.

shadowlegendx · Answer

Me?

radar · Answer

The poster,  is using (2x +1)2 instead of (2x + 1)^2

shadowlegendx · Answer

hmmm, yeah, it looks weird. Just tried to answer the question to the best of my ability

radar · Answer

This creates confusion and chaos ...

radar · Answer

If the poster used the "Equation" feature it would be clear.

radar · Answer

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