document.write( "Question 958364: Solve the equation: \"%28x%5E2-1%29%5E2+%2B+4%28x%5E2-1%29+-+5+=+0+\". \n" ); document.write( "
Algebra.Com's Answer #585724 by josgarithmetic(39621)\"\" \"About 
You can put this solution on YOUR website!
This is quadratic in \"x%5E2-1\". You could simplify and try to solve for the x^2 and then onto x, but the form presently shown would be easier to handle. Let \"u=x%5E2-1\", solve for u, and then use that to solve for x. \n" ); document.write( "
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