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15-08-2017
Mathematics

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-4(j-6(j+k)); use j=-7, and k=-2

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15-08-2017

[tex]f(j,k)=-4(j-6(j+k)\\\\f(-7,-2)=-4(-7-6(-7-2))\\\\f(-7,-2)=-4(-13-9)\\\\f(-7,-2)=-4(-22)\\\\f(-7,-2)=-88[/tex]

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