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Mathematics 17 Online
OpenStudy (anonymous):

Factor out the expression completely: 4x^2-4

OpenStudy (anonymous):

\(4(x^2-1)\) is a start

OpenStudy (anonymous):

\(x^2-1=(x+1)(x-1)\) is the next step

OpenStudy (anonymous):

4(x+1)(x-1) nice... i was over thinking..

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