njmohith njmohith
  • 14-12-2021
  • Mathematics
contestada

X^4 + x^2 - 90 = 0
Help solve please

Respuesta :

SashaTheStudent
SashaTheStudent SashaTheStudent
  • 14-12-2021

Answer:

The answer to your question is x= −3 or it can be x=3

Steps of solving

The first step we have to do to solve this equation is to Factor left side of our equation

(x+3)(x−3)(x^2+10)=0

The second step that we would have to do would be Setting the factors that equal to 0.

You can go with any of these

x+3=0, x−3=0 or you can lastly go with x^2+10=0

And that's how you would get your answer : x= −3 or x=3

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