If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x^2=-16.8
We move all terms to the left:
x^2-(-16.8)=0
We add all the numbers together, and all the variables
x^2+16.8=0
a = 1; b = 0; c = +16.8;
Δ = b2-4ac
Δ = 02-4·1·16.8
Δ = -67.2
Delta is less than zero, so there is no solution for the equation
| 2(x)-8(0)=16 | | -8x=5x-26 | | 28=-10x-4x | | 0=x^2-30x+50 | | 30x-x^2=50 | | 8x+3x=112000 | | 9x+5=12x-34 | | 1(-3-6x)=-21 | | 2(2)-8y=16 | | 17x=-13x+60 | | 2(-4)-8y=16 | | -2(3p+3)=60 | | 1/6x+8=0 | | 6x-(3x-12)=36 | | a²+8a+15=0 | | x+8=9x+2 | | 9x-15=-48 | | 3x-7x=5x+11-2x | | |2x+5|=3x-20 | | 0.6+0.2p=5.6 | | 5(x+6)–2x=3(x+10) | | -3(4x+3=4(6x+1)=43 | | 7–6x=-5–8x | | 16(24)÷2(5)=y | | 2x2−8=10 | | (3p+1)^2=8 | | 13+2t=4 | | 3t,–2=19 | | 2/7x+6=x+12 | | 2x-10=5x+70 | | −8−5n=64+3n | | 5a=-3(a=8) |