document.write( "Question 798406: factor completely: 44b^2-108b-72 showing all work \n" ); document.write( "
Algebra.Com's Answer #482176 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
factor completely: 44b^2-108b-72 showing all work
\n" ); document.write( "-------------
\n" ); document.write( "Divide by 4
\n" ); document.write( "------
\n" ); document.write( "\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "
Solved by pluggable solver: SOLVE quadratic equation (work shown, graph etc)
Quadratic equation \"ax%5E2%2Bbx%2Bc=0\" (in our case \"11x%5E2%2B-27x%2B-18+=+0\") has the following solutons:
\n" ); document.write( "
\n" ); document.write( " \"x%5B12%5D+=+%28b%2B-sqrt%28+b%5E2-4ac+%29%29%2F2%5Ca\"
\n" ); document.write( "
\n" ); document.write( " For these solutions to exist, the discriminant \"b%5E2-4ac\" should not be a negative number.
\n" ); document.write( "
\n" ); document.write( " First, we need to compute the discriminant \"b%5E2-4ac\": \"b%5E2-4ac=%28-27%29%5E2-4%2A11%2A-18=1521\".
\n" ); document.write( "
\n" ); document.write( " Discriminant d=1521 is greater than zero. That means that there are two solutions: \"+x%5B12%5D+=+%28--27%2B-sqrt%28+1521+%29%29%2F2%5Ca\".
\n" ); document.write( "
\n" ); document.write( " \"x%5B1%5D+=+%28-%28-27%29%2Bsqrt%28+1521+%29%29%2F2%5C11+=+3\"
\n" ); document.write( " \"x%5B2%5D+=+%28-%28-27%29-sqrt%28+1521+%29%29%2F2%5C11+=+-0.545454545454545\"
\n" ); document.write( "
\n" ); document.write( " Quadratic expression \"11x%5E2%2B-27x%2B-18\" can be factored:
\n" ); document.write( " \"11x%5E2%2B-27x%2B-18+=+%28x-3%29%2A%28x--0.545454545454545%29\"
\n" ); document.write( " Again, the answer is: 3, -0.545454545454545.\n" ); document.write( "Here's your graph:
\n" ); document.write( "\"graph%28+500%2C+500%2C+-10%2C+10%2C+-20%2C+20%2C+11%2Ax%5E2%2B-27%2Ax%2B-18+%29\"

\n" ); document.write( "\n" ); document.write( "==============
\n" ); document.write( "Other than the 4, it can't be factored.
\n" ); document.write( "= \"4%2A%2811b%5E2+-+27b+-+18%29\"
\n" ); document.write( "
\n" );