document.write( "Question 344555: rewrite the quadratic function in standard form by completing the square and then address the following f(x)=x^2-4x \n" ); document.write( "

Algebra.Com's Answer #246534 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Take (1/2) of the x-coefficient, square it.
\n" ); document.write( "Add and subtract it to the equation.
\n" ); document.write( " $\"f%28x%29=x%5E2-4x\"$
\n" ); document.write( " $\"f%28x%29=%28x%5E2-4x%2B4%29-4\"$
\n" ); document.write( " $\"highlight%28f%28x%29=%28x-2%29%5E2-4%29\"$
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