document.write( "Question 864704: solve\r
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Algebra.Com's Answer #521204 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "log (x+2) + log (2x-3) =2 
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document.write( "log (x+2)(2x-3) = 2
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document.write( "(x+2)(2x-3) = 100
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document.write( " 2x^2 +x -100 = 0
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document.write( "x = 6.82548584904245    x > 0
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document.write( "Solved by pluggable solver: SOLVE quadratic equation with variable
Quadratic equation  (in our case ) has the following solutons:
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document.write( "  For these solutions to exist, the discriminant  should not be a negative number.
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document.write( "  First, we need to compute the discriminant : .
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document.write( "  Discriminant d=801 is greater than zero. That means that there are two solutions: .
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document.write( "    Quadratic expression  can be factored:
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document.write( "  Again, the answer is: 6.82548584904245, -7.32548584904245.\n" );
document.write( "Here's your graph:
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