anonymous
  • anonymous
x^4=25
Mathematics
chestercat
  • chestercat
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myininaya
  • myininaya
We need to subtract 25 on both sides giving us \[x^4-25=0\] Now notice the left hand side is a difference of squares so it can be factored!
myininaya
  • myininaya
\[(x^2-5)(x^2+5)=0\]
myininaya
  • myininaya
Set both factors equal to 0 and solve both equations for x You will get two real solutions and 2 imaginary solutions

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