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8x2 − 18 =

8x2 − 18 =


(A)

8(x2 − 2)


(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Math - Diagnostic: Test / Review

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Posted: 05/31/2012 23:16
What is the process to do this exercise?
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Posted: 06/01/2012 02:00
Geraldo, have you tried to follow the step by step solution? It is pretty good actually.
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Posted: 12/05/2012 11:30
8x^2 - 18 = 2(2x+3)(2x-3), so the answer is (B).
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