SOLUTION: x^4=7(x^2)+18 Solve for x.

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Question 1025983: x^4=7(x^2)+18
Solve for x.

Answer by ankor@dixie-net.com(22740)   (Show Source): You can put this solution on YOUR website!

Solve for x.
Arrange as a quadratic equation

Factor

The positive solution is what we want here

Two solutions

x = 3
and

x = -3
:
looks like this

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