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11-06-2018
Mathematics

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what is the value of -3|15 -s|+2s^3 when s=-3

Respuesta :

14-06-2018

[tex]-3|15-s|+2s^3\\\\\text{substitute the value of s = -3 to the expression}\\\\-3\cdot|15-(-3)|+2\cdot(-3)^3=-3\cdot|15+3|+2\cdot(-27)=-3\cdot|18|-54\\\\=-3\cdot18-54=54-54=0[/tex]

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