Solve (8x + 3)^2 = 16

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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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first lets break this up so we can use the FOIL method. Do you know how to do that?
Kinda, but not very well
well lets break up the left side first. show me what another way to represent that squared.

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Other answers:

8x^3?
Not quite. we can rewrite this as (8x+3)(8x+3) = 16
OR!!
If we take the square root of both sides then we get (8x+3)= 4 That equation is much more simple to solve.
remember the square root undoes a square and vise versa.
Does that all make sense? If so, great! If not, let me know where you're stuck. If you do understand, post your answer and i will check your work!
-7/8, 1/8?
Yup, that's correct! http://www.wolframalpha.com/input/?i=%288x%2B3%29%5E2%3D+16
Good job!

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