document.write( "Question 1198977: solve for x: 1+log2(x^2-4x-16)=log2(x^2-3x+4) \n" ); document.write( "
Algebra.Com's Answer #832882 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "solve for x: 1+log2(x^2-4x-16)=log2(x^2-3x+4)
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You DON'T need to use the quadratic equation formula to solve this, as that woman did!\r\n" );
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document.write( "                   ----- Applying \r\n" );
document.write( "                   ----- Applying \r\n" );
document.write( "                \"matrix%281%2C3%2C+2%28x%5E2+-+4x+-+16%29%2C+%22=%22%2C+x%5E2+-+3x+%2B+4%29\" ----- Cross-multiplying\r\n" );
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document.write( "                (x - 9)(x + 4) = 0\r\n" );
document.write( "                         x - 9 = 0     or      x + 4 = 0\r\n" );
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