Algebra.Com's Answer #162938 by Alan3354(69443)![\"\"](\"/images/stars/stars-13.gif\")  
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document.write( "I understand how to do the simpler equations, such as y = 2x + 3, but am confused on how to solve for the equations when there are exponents.
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document.write( "Do you know about quadratics at all?
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document.write( " | Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc) | \n" );
document.write( "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=16 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: -1, 3.\n" );
document.write( "Here's your graph:
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