document.write( "Question 131983: \r
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\n" ); document.write( "\n" ); document.write( "9x-10 + 2x^2 + x^2+4 Triangle perimeter
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Algebra.Com's Answer #96567 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
9X-10+2X^2+X^2+4
\n" ); document.write( "3X^2+9X-6
\n" ); document.write( "USING THE QUADRATIC EQUATION:\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" WE GET:
\n" ); document.write( "X=(-9+-SQRT[9^2-4*3*-6])/2*3
\n" ); document.write( "X=(-9+-SQRT[81+72])/6
\n" ); document.write( "X=(-9+-SQRT153)/6
\n" ); document.write( "X=(-9+-12.37)/6
\n" ); document.write( "X=(-9+12.37)/6
\n" ); document.write( "X=3.37/6
\n" ); document.write( "X=.56 ANSWER
\n" ); document.write( "3*.56^2+9*.56-6
\n" ); document.write( "3*.3136+5.04-6
\n" ); document.write( ".9408+5.04-6
\n" ); document.write( "5.9808-6
\n" ); document.write( "-.0192 NOW AN ACCEPTABLE ANSWER FOR THE PERIMETER OF A TRIANGLE. \r
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