obaidisnice obaidisnice
  • 20-10-2021
  • Mathematics
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Explain why x2+7x+4=7x has no solutions.

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TheKaliko
TheKaliko TheKaliko
  • 20-10-2021

[tex]x^2+7x+4=7x[/tex]

[tex]x^2+4=0[/tex]

[tex]x^2=-4[/tex]

Square of any real number cannot be negative because - * - = + so this equation has no solutions

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