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04-10-2018
Mathematics

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what are the solutions to he quadratic equation 3x^2+15-18=0

Respuesta :

04-10-2018

[tex]3 {x}^{2} + 15 - 18 = 0 \\ {3x}^{2} - 3 = 0 \\ {x}^{2} - 1 = 0 \\ {x}^{2} = 1 [/tex]
either x= +1
or x= -1

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