document.write( "Question 54807This question is from textbook intro to functions
\n" ); document.write( ": f(x)= x^2+2x-3 and g(x)=5+x find (fg)(x) \n" ); document.write( "

Algebra.Com's Answer #37051 by funmath(2933) $\"\"$ $\"About$

You can put this solution on YOUR website!
f(x)= x^2+2x-3 and g(x)=5+x find (fg)(x)
\n" ); document.write( "(fg)(x) means you multiply the f function times the g function.
\n" ); document.write( " $\"%28fg%29%28x%29=%28x%5E2%2B2x-3%29%285%2Bx%29\"$
\n" ); document.write( "= $\"x%5E2%285%2Bx%29%2B2x%285%2Bx%29-3%285%2Bx%29\"$
\n" ); document.write( "= $\"5x%5E2%2Bx%5E3%2B10x%2B2x%5E2-15-3x\"$
\n" ); document.write( "= $\"x%5E3%2B5x%5E2%2B2x%5E2%2B10x-3x-15\"$
\n" ); document.write( " $\"highlight%28%28fg%29%28x%29=x%5E3%2B7x%5E2%2B7x-15%29\"$
\n" ); document.write( "Happy Calculating!!!
\n" ); document.write( " \n" ); document.write( "

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