# Belinda, Math

I aked the instructor about that problem that looked like this:

(w-(1)/(4))^2

and he said that what i thought was right. which was :

Yes, that's right. I just thought your way of getting the answer was more complicated than it could have been.

With the placement of the parentheses in your answer I can't tell what you have, but I can tell you for sure that what Belinda wrote yesterday; i.e.,
[(w-1)/4]2 =
(w2 -2w +1)/16 is correct. That answer may be modified somewhat by certain arithmetic procedures but squaring w-1 MUST give, at least as a first step, w2 -2w +1.

see dr.bob222
then why did the instructor say that this was wrong about
w2 -2w +1

he said it had to be:

w squared and negative one half w plus one over sixteen.

We aren't working the same problem. And the reason for that is that you didn't use parentheses correctly. You are working this problem.

(w-(1)/(4))^2

Written as you should have written it is
[w-(1/4)]2

That give you

I worked this one

[(w-1)/4]2

which gives the answer I posted yesterday.
(w2 -2w + 1)/16

I hope this clears things up.

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