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Algebra Please Help

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why does the equation x^2=-9 has no real solution

why does the equation x^2 = 9 has two solutions

  • Algebra Please Help - ,

    x^2=-9 has no real solution because when you square a number, it is always positive. There are never negative squares of numbers.

    x^2=9 has two solutions because one solution is the given 3*3=9 and the other is -3*-3 because when you multiply two negative numbers they become positive.

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