document.write( "Question 154121: i need help to factorize x^6 - 7x^3 -8 i know the answer its (x-2)(x+2x+4) (x^2-x +1) but i didnt understand how to solve the sum,please help and thanks \n" ); document.write( "
Algebra.Com's Answer #113431 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! i need help to factorize x^6 - 7x^3 -8 i know the answer its (x-2)(x+2x+4) (x^2-x +1) but i didnt understand how to solve the sum,please help and thanks \n" ); document.write( "------------------- \n" ); document.write( "x^6 - 7x^3 -8\r \n" ); document.write( "\n" ); document.write( "= (x^3-8)(x^3+1) \n" ); document.write( "The 1st factor is a difference of squares. \n" ); document.write( "The 2nd factor is a sum of squares. \n" ); document.write( "----------------------- \n" ); document.write( "= (x-2)(x^2+2x+4)(x+1)(x^2-x+1) \n" ); document.write( "Cheeres, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |