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? asked in Science & MathematicsMathematics · 6 years ago

solve using the principles of zero products -5x^2=20?

3 Answers

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  • ted s
    Lv 7
    6 years ago

    unless you are working in the complex number system you will have NO real solution....negative ╪ positive in the reals....0 = 5 [ x² + 4 ] which implies x = ± 2 i

  • 6 years ago

    x^2 = 20/(-5)

    x^2 = -4

    x = +/- sqrt(-4)

    x = +/- 2i

  • ?
    Lv 7
    6 years ago

    x^2+4 = 0

    (x+2i)(x-2i) = 0

    x = 2i, -2i

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