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  • 18-09-2018
  • Mathematics
contestada

Is x = –3 a solution to the equation –3x2 = –27?

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Аноним Аноним
  • 18-09-2018

-3(-3)2=-27

9*2=18


so this is wrong. the answer would equal 18

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jukkaduei
jukkaduei jukkaduei
  • 18-09-2018
[tex] - 3 {x}^{2} = - 27 \\ 3 {x}^{2} = 27 \\ {x}^{2} = \frac{27}{3} \\ {x}^{2} = 9 \\ x = 3[/tex]
The answer is x = 3 so it's wrong
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