If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x^2+38x+2040=0
a = 1; b = 38; c = +2040;
Δ = b2-4ac
Δ = 382-4·1·2040
Δ = -6716
Delta is less than zero, so there is no solution for the equation
| 0.4(x-5)=2 | | y=3E-05*5000-0.0128 | | |77x-154|=231 | | 2x×x=3÷5 | | 0.8m=6 | | x=2/4x12/3=4/12 | | k−3=4 | | 9x+8-8=6x+20-8 | | R/2+1/2=2r/5 | | /4n=28 | | 10000000+2500x=20000000+2000x | | r/20-20=-4 | | (4x-13)+(6x+2)=(14x-13) | | 10000000+2500x=25000000+1000x | | r/20-20=31 | | 10000000+2500x=25000000+1000 | | 7/13x+1/4=2/5-6/13x+2/50 | | 25000000+1000x=20000000+2000x | | 2.8(5-x)=7 | | 4c+1=–11c= | | 5^n*5^n+4=25 | | 0=j+6/2 | | (4x+17)+65=180 | | 7x+7=1/2(8x-28) | | 2^3x-2^(2x+1)+2=0 | | 1.072=894.69x3-460.15x2+485.81x-93.279 | | 5×2x+4=196^2 | | 24y-36=12 | | 2(8x-2)=13 | | 4=7x=3x+4 | | 6(X-1)=4x+10-2x | | x^A=4,5–0,5x^B. |