document.write( "Question 39580: Help! I feel like i'm up to my eyeballs in polynomials! I got a test and I need help with these 4 problems. #1 and #2 need to be factored. #3 and #4 need to be solved. Thanx =0) 1) 8x^3+8x-6x
\n" );
document.write( " 2) 24x^2-92x+80
\n" );
document.write( " 3) 6x^2+13x+6=0
\n" );
document.write( " 4) 2(a^2+9)=15a \n" );
document.write( "
Algebra.Com's Answer #25028 by tran3209(100) ![]() You can put this solution on YOUR website! 1-) 8x^3+8x-6x --->8x^3+2x --->2x(4x^2+1) \n" ); document.write( " Anwser 2x(4x^2+1) \n" ); document.write( " Note: I think you might have copied the problem down wrong. Instead of 8x \n" ); document.write( " it is 8x^2. \n" ); document.write( "2-)24x^2-92x+80 --->4(6x^2-23x+20)--->4(3x-4)(2x-5) \n" ); document.write( " Anwser: 4(3x-4)(2x-5) \n" ); document.write( "3-)6x^2+13x+6=0 --->(2x+3)(3x+2)=0 \n" ); document.write( " 2x+3=0 ====> 2x=-3 ==>x=-3/2 \n" ); document.write( " 3x+2=0 ====> 3x=-2 ==>x=-2/3 \n" ); document.write( " Anwser x=-3/2 and x=-2/3 \n" ); document.write( "4-)2(a^2+9)=15a ---> 2a^2+18=15a --->2a^2-15a+18=0 \n" ); document.write( " (2a-3)(a-6)=0 \n" ); document.write( " 2a-3=0 --->2a=3 --->a=3/2 \n" ); document.write( " a-6=0 --->a=6 \n" ); document.write( " Anwser a=3/2 and a=6 \n" ); document.write( " |