document.write( "Question 1031366: Let f(x) = x^3 + 3x ^2 + 4x - 7 and g(x) = -7x^4 + 5x^3 + x^2 - 7. What is the coefficient of x^3 in the sum f(x) + g(x)? \n" ); document.write( "
Algebra.Com's Answer #646073 by Edwin McCravy(20056)![]() ![]() You can put this solution on YOUR website! \r\n" ); document.write( "Line the like terms up in columns like this and then\r\n" ); document.write( "just add the terms:\r\n" ); document.write( "\r\n" ); document.write( " f(x) = x³ + 3x² + 4x - 7\r\n" ); document.write( " g(x) = -7x⁴ + 5x³ + x² - 7\r\n" ); document.write( "f(x) + g(x) = -7x⁴ + 6x³ + 4x² + 4x - 14 \r\n" ); document.write( "\r\n" ); document.write( " \n" ); document.write( "What is the coefficient of x^3 in the sum f(x) + g(x)? \n" ); document.write( " \r\n" ); document.write( "Look and see.\r\n" ); document.write( "\r\n" ); document.write( "Edwin \n" ); document.write( " \n" ); document.write( " |