Algebra 1

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How would you solve the problem
(w - 2)^2
So far I've gotten w^2-2w*2-4
Where do I go from here?
Have I even gotten what I have right?

I understand when I'm with my teacher, but as soon as I got home, I was a little lost. So any help would be great!!

  • Algebra 1 -

    You are almost there

    your first line in the expansion probably was

    w^2 - 2w - 2w + 4
    the only terms we can add up are the two 2w terms

    = w^2 - 4w + 4

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