If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x^2+12=-4
We move all terms to the left:
2x^2+12-(-4)=0
We add all the numbers together, and all the variables
2x^2+16=0
a = 2; b = 0; c = +16;
Δ = b2-4ac
Δ = 02-4·2·16
Δ = -128
Delta is less than zero, so there is no solution for the equation
| 3(x-2)=2x+18 | | A^2=40+13a | | -1.1=w7+10.1 | | 1.4+2/5e=3/10e-0.8 | | 3(v)=27 | | x=0.20x+40 | | f(5)=-6(5)-1 | | 14=p/4 | | 12x+20=9x+23 | | x^2-30=x+42 | | 10+10=5(3x-4) | | 6x+75=285 | | -1.1=7w+10.1 | | 3(4x-2)=2x+14 | | 64=3u+13 | | 18/y=2.25 | | g+16–4=–2 | | x.x+123=216. | | 40=0.15x | | 3n+20=11 | | 18=w/24 | | f(-1)=-6(-1)-1 | | x+88+57=180 | | 12p+7=34p+9 | | (3x+5)+(4x-3)=79 | | 4y-1.7=6.3 | | 2160=5x•3x | | 6x+27+8x+7=-97 | | 73=6x+3x+1 | | (2x+4)+76=x | | -8u+2=-9u+1 | | -7x=-5x+90 |