document.write( "Question 303181: What are the integral roots of x^2-7x-8=o? \n" ); document.write( "
Algebra.Com's Answer #217294 by nyc_function(2741)![]() ![]() You can put this solution on YOUR website! What two numbers when multiplied together will yield -8 but when added will yield -7?\r \n" ); document.write( "\n" ); document.write( "How about -8 and 1?\r \n" ); document.write( "\n" ); document.write( "Then x^2 - 7x - 8 = 0 factors out to be (x + 1)(x - 8).\r \n" ); document.write( "\n" ); document.write( "Now set each factor to equal zero and solve for x.\r \n" ); document.write( "\n" ); document.write( "x + 1 = 0\r \n" ); document.write( "\n" ); document.write( "x = -1.\r \n" ); document.write( "\n" ); document.write( "x - 8 = 0\r \n" ); document.write( "\n" ); document.write( "x = 8\r \n" ); document.write( "\n" ); document.write( "The roots are x = -1 and x = 8.\r \n" ); document.write( "\n" ); document.write( "Originally, I thought this was a calculus question after reading the word INTEGRAL in the sentence.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |