document.write( "Question 167307This question is from textbook Algebra and Trigonometry Structure and Method book 2
\n" ); document.write( ": I have been struggling to figure out this math problem and I was wondering if someone could help me? Please and Thank You!! I would deeply appreciate it!!\r
\n" ); document.write( "\n" ); document.write( "Solving Polynomial Inequalitites
\n" ); document.write( "Find and graph the solution set of each inequality.
\n" ); document.write( "x^4-18<7x^2 \n" ); document.write( "

Algebra.Com's Answer #123352 by checkley77(12844) $\"\"$ $\"About$

You can put this solution on YOUR website!
x^4-18<7x^2
\n" ); document.write( "x^4-7x^2-18<0
\n" ); document.write( "(x^2-9)(x^2+2)=0
\n" ); document.write( "(x+3)(x-3)(x^2+2)=0
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x+%2B3%2C+x+-3%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions x +3 and x -3).
\n" ); document.write( " $\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+x%5E2+%2B2%29+\"$ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, x^2 +2). \n" ); document.write( "

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