Задача №17189

$y=x^2-12x+35$$y=x^2-12x+35$$$y=x^2-12x+35$$

$y=x^2+8x+15$$y=x^2+8x+15$$$y=x^2+8x+15$$

$y=-x^2-8x-15$$y=-x^2-8x-15$$$y=-x^2-8x-15$$