document.write( "Question 164706This question is from textbook
\n" );
document.write( ": 0.2y^2+0.03y=0.02 \n" );
document.write( "
Algebra.Com's Answer #121383 by edjones(8007) You can put this solution on YOUR website! 0.2y^2+0.03y=0.02 \n" ); document.write( "20y^2+3y=2 multiply each side by 100 \n" ); document.write( "20y^2+3y-2=0 \n" ); document.write( "20*-2=-40. What 2 factors of -40 add up to 3? Ans 8 & -5. \n" ); document.write( "20y^2-5y+8y-2=0 \n" ); document.write( "5y(4y-1)+2(4y-1)=0 Factoring by grouping. \n" ); document.write( "(5y+2)(4y-1)=0 \n" ); document.write( "5y=-2, 4y=1 \n" ); document.write( "y=-2/5, y=1/4 \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " \n" ); document.write( " |