document.write( "Question 170657: How do you find the degree and zeros of x(x+4)(x-3)?\r
\n" ); document.write( "\n" ); document.write( "Thank you
\n" ); document.write( "

Algebra.Com's Answer #125990 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( "Finding the Degree:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%28x%2B4%29%28x-3%29\" Start with the given expression\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%28x%5E2%2Bx-12%29\" FOIL \"%28x%2B4%29%28x-3%29\" to get \"x%5E2%2Bx-12\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%5E3%2Bx%5E2-12x\" Distribute\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Notice how the largest exponent is 3. So this means that the degree of \"x%5E3%2Bx%5E2-12x\"(and \"x%28x%2B4%29%28x-3%29\") is 3\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the degree is 3.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "-----------------------------------------------------------\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Finding the zeros:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%28x%2B4%29%28x-3%29\" Start with the given expression\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x%28x%2B4%29%28x-3%29=0\" Set the given expression equal to zero\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now set each factor equal to zero:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=0\", \"x%2B4=0\" or \"x-3=0\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Now solve for x for each factor:\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x=0\", \"x=-4\" or \"x=3\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "So the zeros of \"x%28x%2B4%29%28x-3%29\" are \"x=0\", \"x=-4\" or \"x=3\"\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );