document.write( "Question 926548: i am stuck can anyone solve it please....|x^2-x-20|=0 \n" ); document.write( "

Algebra.Com's Answer #562320 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( " $\"abs%28x%5E2-x-20%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "same as $\"sqrt%28x%5E2-x-20%29%5E2%29=0\"$ \r
\n" ); document.write( "\n" ); document.write( "so, $\"x%5E2-x-20=0\"$ or $\"-%28x%5E2-x-20%29=0\"$ => $\"-x%5E2%2Bx%2B20=0\"$ => $\"0=x%5E2-x-20\"$ \r
\n" ); document.write( "\n" ); document.write( "if $\"x%5E2-x-20=0\"$ =>
\n" ); document.write( " $\"x%5E2%2B4x-5x-20=0\"$
\n" ); document.write( " $\"%28x%5E2%2B4x%29-%285x%2B20%29=0\"$
\n" ); document.write( " $\"x%28x%2B4%29-5%28x%2B4%29=0\"$
\n" ); document.write( " $\"%28x-5%29%28x%2B4%29+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( "if $\"%28x-5%29=+0\"$ => $\"x=+5\"$ \r
\n" ); document.write( "\n" ); document.write( "if $\"%28x%2B4%29=+0\"$ => $\"x=-4\"$ \r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"+graph%28+600%2C+600%2C+-10%2C10%2C+-10%2C+30%2C+abs%28x%5E2-x-20%29%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

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