document.write( "Question 663846: $\"+f%28x%29=+x%5E2-7+\"$ and $\"+g%28x%29=+x%2B3+\"$ find (f-g)(t+2) \n" ); document.write( "

Algebra.Com's Answer #412978 by MathLover1(20850) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "given:
\n" ); document.write( " $\"+f%28x%29=+x%5E2-7+\"$ and \r
\n" ); document.write( "\n" ); document.write( " $\"+g%28x%29=+x%2B3+\"$ \r
\n" ); document.write( "\n" ); document.write( "find: $\"+%28f-g%29%28t%2B2%29\"$ \r
\n" ); document.write( "\n" ); document.write( "first write $\"f%28x%29-g%28x%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29-g%28x%29=x%5E2-7-%28x%2B3%29\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29-g%28x%29=x%5E2-7-x-3\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f%28x%29-g%28x%29=x%5E2-x-10\"$ .....now replace each $\"x\"$ with $\"t%2B2\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"f-g%28t%2B2%29=%28t%2B2%29%5E2-%28t%2B2%29-10\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f-g%28t%2B2%29=t%5E2%2B4t%2B4-t-2-10\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f-g%28t%2B2%29=t%5E2%2B3t%2B4-12\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"f-g%28t%2B2%29=t%5E2%2B3t-8\"$ \r
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