II.- Ecuaciones de 2º grado completas


1.164		1.165

$x^{2}-7x+12=0$		$x^{2}-9x+18=0$


1.166		1.167
$x^{2}-9x+14=0$		$x^{2}-6x+8=0$


1.168		1.169

$x^{2}-6x+9=0$		$x^{2}+6x-27=0$


1.170		1.171

$x^{2}+6x=-9$		$x^{2}+9=10x$


1.172		1.173

$2x^{2}+10x-48=0$		$x^{2}-x=20$


1.174		1.175

$x^{2}-5x+6=0$		$\bg_black x^{2}+8x+15=8$


1.176		1.177

$x^{2}+10x+25=0$		$3x^{2}-39x+108=0$


1.178		1.179

$\bg_black 6x^{2}-37x+57=0$		$3x^{2}+2x=8$


1.180		1.181

$x^{2}=5x+6$		$x^{2}=5x+6$


1.182		1.183

$x^{2}-7x+3\frac{1}{4}=0$		$x^{2}-5\frac{3}{4}x=18$


1.184		1.185

$4x^{2}+12x=-9$		$5x^{2}+1=6x$


1.186		1.187

$12x^{2}-17x+6=0$		$10x^{2}+x=3$


1.188		1.189

$6x^{2}-12=x$		$x^{2}-512x+6000=0$


1.190		1.191

$2x^{2}+7x+6=0$		$4x^{2}+3x=8x$


1.192		1.193

$x^{2}+x+\frac{1}{4}=0$		$x(3x-2)=65$


1.194		1.195

$x+\frac{1}{x-3}=5$		$x^{2}-\frac{x}{2}=\frac{1}{3}-\frac{2x}{3}$


1.196		1.197

$\frac{x^{2}}{4}+2=\frac{3x}{2}$		$x+\frac{1}{x}=\frac{65}{8}$


1.198		1.1979

$x-2=\frac{4x-9}{x}$		$\frac{x}{2}+\frac{3}{x}=\frac{x+13}{3x}$


1.200		1.201

$\bg_black x+1=\frac{8x}{x-1}-4$		$\bg_black \frac{x+2}{x+1}+\frac{x+1}{x+2}=\frac{13}{6}$


1.202		1.203

$\bg_black \frac{16x^{3}-12}{2x^{2}-4}=6+8x$		$\frac{24}{x}+1=\frac{24}{x-2}$

1.204

$\frac{2x}{x-2}-\frac{x+2}{2}=1$

1.205

$x(x+1)+\frac{1}{4}\left ( x+\frac{3}{2} \right )=0$

1.206

$8x+11-\frac{7}{x}=\frac{21+63x}{7}$

1.207

$1+\frac{x+4}{3}=\frac{4x+7}{9}+\frac{7-x}{x-3}$

1.208

$\frac{x^{2}}{2}-\frac{3x}{5}=\frac{1}{5}-\frac{x}{6}$

1.209

$2x^{2}+\frac{6}{5}=x\left ( x+\frac{31}{5} \right )$

1.210

$\frac{5x^{2}}{8}-\frac{3x}{5}=\frac{x^{2}}{8}-\frac{x}{6}+\frac{1}{5}$

1.211

$\frac{5x^{2}}{6}-\frac{x}{2}+\frac{3}{4}=8+\frac{2x}{3}-x^{2}+\frac{273}{12}$

1.212

$\frac{2x-1}{x-1}=\frac{5(x-1)}{x+1}$