If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x2-28+160=0
We add all the numbers together, and all the variables
x^2+132=0
a = 1; b = 0; c = +132;
Δ = b2-4ac
Δ = 02-4·1·132
Δ = -528
Delta is less than zero, so there is no solution for the equation
| .5x-0.67=0.33x+0.33 | | 12-1y=4 | | 5/1xx/5=35x5 | | A1=3r=10 | | 15p^2+2p=5p^2+9 | | 30x+-15+1=44 | | -4f-4+6=-9f-8 | | p/2600+445=215 | | p/445+2600=215 | | 2(x-3)-2(1-x)=0 | | -2|2x+6|=-8 | | 4n+1.6=104 | | 4(x-3)=-2(1-x) | | 42=x/8 | | 78n=351 | | x/2=2.13 | | 2-3(x+4)=5x+14 | | .4(x-0.45)=9.2 | | 12x+8/2=20+4x | | 45=-(w+45) | | 8,684x+20=825,000 | | 3×s=60 | | 3(5.5+1.5y)+2y=29 | | 3t-12=-2t+43 | | 3p+3=p-5 | | -2k+10=-35 | | x+30+x=300 | | Y(2)-y-12=0 | | 9y+5=2y-37 | | 365=560-13m | | 3(p–2)=9 | | 7=(-7)(-5b)+112 |