If it's not what You are looking for type in the equation solver your own equation and let us solve it.
Y in (-oo:+oo)
Y = 1/4-9 // - 1/4-9
Y-(1/4)+9 = 0
Y-1/4+9 = 0
Y+35/4 = 0 // - 35/4
Y = -35/4
Y = -35/4
| l^4+8l^2+16=0 | | 248+82+24+x=360 | | 3x+5=2y-4 | | 3-(x+4)=2x+6 | | (5x+4)(5x+4)=0 | | 4sec(x)+6=-2 | | 34=m+8 | | 12m-8m=12 | | 111/9 | | Y=2.5+1.5 | | 7t+3=6t+10 | | 129+2+1+x=360 | | -3(5x+3)=5x-2 | | 19h-11h=16 | | 28.3=2(3.14) | | x(5+2x)=462 | | (8x-4)=88 | | 10s-4s=6 | | -5X+7=7.6X | | 18-2.06i=-10.84 | | 5n=24-7n | | 27x-18= | | 2=u-10 | | 2x^2+y^2=4cx | | 124+93+34+x=360 | | 7x-5(3x+2)=7 | | 5c+4c+c=30 | | 47=6k+17 | | 18=4t | | 15x-10=78 | | -7x-4(x-3x)= | | (0.7ax*b^0.3)/x^0.3-c=0 |