If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2n^2=-144
We move all terms to the left:
2n^2-(-144)=0
We add all the numbers together, and all the variables
2n^2+144=0
a = 2; b = 0; c = +144;
Δ = b2-4ac
Δ = 02-4·2·144
Δ = -1152
Delta is less than zero, so there is no solution for the equation
| 0=x-x | | 30=u/2-16 | | -19.6x=-343 | | -16v=-144 | | x+27=5x-29 | | 2.5-y=-1 | | 3x+31-x=4 | | 4x=3.5x-18 | | -17+x=7 | | -13=-8u+5(u-2) | | m2-2m-3=0 | | |2y-7|=1 | | 4.5=1.3-0.7y | | -16+n=-6 | | 1/2x+14.5=34 | | 3x-5x+2=36 | | -4(2+r)-4=-3-7r | | 3209876543245670-098765434567890-098765435678908765434567890-x=0 | | 3(m+5)-10=2(m-3)+5 | | 5x+6x+7-2=3x+5+7x | | 248=8(-5x-19) | | 999999999999999999999999x+45643245=23456X0 | | 9a+13=67 | | 204-w=275 | | 4378+2465378907m-234+3567890=(234567+67556)=42 | | 40=7-11x | | 6x+4-8=5x-2 | | 6d=18d+156 | | 9^–3x+2=48 | | 12.8u=6.4 | | 6w-4=2w-36 | | 9–3x+2=48 |