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alexira [117]
3 years ago
11

X^2-9 The expression above is equivalent to which of the following?

SAT
1 answer:
tankabanditka [31]3 years ago
4 0
Your answer would be (x+3)(x-3).
Using the foil method to simplify an equation, you would multiply x by x, 3 by 3 and so on.
Hope this helps!
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W = 15 × 3

= 45 J

[Note: While using the formulae, all quantities must be in their SI units.]

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