document.write( "Question 450009: Solve the equations by a method of your choice.
\n" ); document.write( "4x^2+15x+9=0
\n" ); document.write( "x^2-8x+16=0
\n" ); document.write( "x^2-2x-3=0 \n" ); document.write( "
Algebra.Com's Answer #309581 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
 
\n" );
document.write( "Hi
\n" );
document.write( "Using the Quadratic Formula to solve
\n" );
document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" );
document.write( "4x^2+15x+9=0   OR 4(x+15/8)^2 = 81/16  x = -15/8  ± 9/8  |Completing square
\n" );
document.write( "\"x+=+%28-15+%2B-+sqrt%28+81+%29%29%2F%288%29+\"
\n" );
document.write( "   x = (-15 ± 9)/8  x = - 3 and x = -6/8 = -3/4
\n" );
document.write( "x^2-8x+16=0   OR (x-4)^2 = 0  x = 4  |Completing square
\n" );
document.write( "\"x+=+%288+%2B-+sqrt%280+%29%29%2F%282%29+\"
\n" );
document.write( "   x = 4
\n" );
document.write( "x^2-2x-3=0  OR (x-3)(x+1) = 0  x = 3 and x = -1  |Factoring
\n" );
document.write( "\"x+=+%282+%2B-+sqrt%28+16+%29%29%2F%282%29+\"
\n" );
document.write( "   x = (2 ± 4)/2  x = 3 and x = -1 \n" );
document.write( "
\n" );