document.write( "Question 144119: I'm having trouble factoring these algebraic expressions, the rest of my problems weren't bad, but I cannot figure these three out, any help would be appreciated. thanks.\r
\n" );
document.write( "\n" );
document.write( "6x^2 - 28x + 16\r
\n" );
document.write( "\n" );
document.write( "x^4 + 2x^3 - 3x - 6\r
\n" );
document.write( "\n" );
document.write( "x^8 - 1\r
\n" );
document.write( "\n" );
document.write( "Thanks. \n" );
document.write( "
Algebra.Com's Answer #104883 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 6x^2 - 28x + 16 \n" ); document.write( "= 2(3x^2 - 14x + 8) \n" ); document.write( "= 2(3x^2-12x-2x+8) \n" ); document.write( "= 2(3x(x-4)-2(x-4)) \n" ); document.write( "= 2(x-4)(3x-2) \n" ); document.write( "=========================\r \n" ); document.write( "\n" ); document.write( "x^4 + 2x^3 - 3x - 6 \n" ); document.write( "= x^3(x+2) -3(x+2) \n" ); document.write( "= (x+2)(x^3-3) \n" ); document.write( "= [(x+2)][(x-3^(1/3))][x^2-3(x^(1/3))+3^(2/3)] \n" ); document.write( "-----------------------------\r \n" ); document.write( "\n" ); document.write( "x^8 - 1 (x^4+1)(x^4+1) \n" ); document.write( "= (x^4+1)(x^2+1)(x+1)(x-1) \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |