document.write( "Question 826420: What is x^2-x-12>0 in interval notation please ? \n" ); document.write( "

Algebra.Com's Answer #502051 by tommyt3rd(5050) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28x-4%29%28x%2B3%29+%3E+0\"$ \r
\n" ); document.write( "\n" ); document.write( "test x = -4:
\n" ); document.write( "(-8)(-1) > 0 true\r
\n" ); document.write( "\n" ); document.write( "test x=0
\n" ); document.write( "(-4)(3) > 0 false\r
\n" ); document.write( "\n" ); document.write( "test x=5
\n" ); document.write( "(1)(8) > 0 true\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "so \r
\n" ); document.write( "\n" ); document.write( "(-oo,-3)U(4,oo) \n" ); document.write( "

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