document.write( "Question 584960: x^4<4^2 solve algebraically \n" ); document.write( "

Algebra.Com's Answer #373034 by lwsshak3(11628) $\"\"$ $\"About$

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x^4<4^2 solve algebraically
\n" ); document.write( "x^4-4^2<0
\n" ); document.write( "x^4-16<0
\n" ); document.write( "(x^2+4)(x^2-4)<0
\n" ); document.write( "(x^2+4)(x+2)(x-2)<0
\n" ); document.write( "show real zeros on number line (given equation has two non-real roots)
\n" ); document.write( "<....+....-2......-......2.......+.......>
\n" ); document.write( "solution: (-2,2) \n" ); document.write( "

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