Person352352
Person352352 Person352352
  • 03-12-2019
  • Mathematics
contestada

Use the rules of equations and inverse operations to solve the equation. In your final answer, include all of your work.
4 - x^2 = -16

Respuesta :

mohan67 mohan67
  • 09-12-2019

Answer:

[tex]x= +2\sqrt{5} or -2\sqrt{5}[/tex]

Step-by-step explanation:

for the given equation,

[tex]4 - x^{2} = -16[/tex]

using rules of equation and inverse operations as isolating x on one side of equation,

interchanging sides  of equation  we get,

[tex]x^{2} =20[/tex]

[tex]x= +\sqrt{20} or x= -\sqrt{20}[/tex]

[tex]x= +2\sqrt{5}  or x= -2\sqrt{5}[/tex]

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