If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2x^2+20x=-300
We move all terms to the left:
2x^2+20x-(-300)=0
We add all the numbers together, and all the variables
2x^2+20x+300=0
a = 2; b = 20; c = +300;
Δ = b2-4ac
Δ = 202-4·2·300
Δ = -2000
Delta is less than zero, so there is no solution for the equation
| -6=2b-8b | | 2^(6x-3)=4 | | 9x^2+21x+17=0 | | 6x+7=40 | | n+n+5=41 | | 1/2(2x×x)=48 | | 2x=4=5x-5 | | 2^6x-3=4 | | 8=n^-2 | | 6(w-12)+5(w-13)=6 | | 21x+36=5(3x+6)+6x+6 | | 8=2^-n | | 2x+3x=5-6x | | 3/13=x/36 | | -4x-65=43-x | | 50+9x+4x=220 | | 8x+26=x^2+5x+4 | | 0.6x-2.9=-1.1 | | N=n^-n | | 0.15x+0.3(100-x)=90 | | -17=-3+x | | -8x-80=-13x+105 | | 9y+7=12y+77 | | 1/2(4x+12)=1/4(4x-8)=1/3(9x+27) | | 0.02(y-5)+0.08y=0.04-0.4 | | 39+-8n=8(3+4n)+3n | | 6x=180-108 | | 9x^2-108x+70=0 | | 8x^2+10x+7=0 | | -28.5+7a=-5.5(4a+8) | | X/30=x-30 | | 5a+2-6(a+5)=3a+8 |