If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5n^2=-4
We move all terms to the left:
5n^2-(-4)=0
We add all the numbers together, and all the variables
5n^2+4=0
a = 5; b = 0; c = +4;
Δ = b2-4ac
Δ = 02-4·5·4
Δ = -80
Delta is less than zero, so there is no solution for the equation
| 10x+25(x+3)=565 | | 2(x-3)=0.05(3x-12) | | 7z+8=2 | | -3/x+1=10 | | |r|/4=-2 | | 45+4t=-8 | | 6(v-5)=3v+24 | | 13=3b-18 | | 13=3b-8 | | 7x+3=52+2x-4 | | 4b-1=4b-1+4-4 | | -2m=2m | | 8=4n-5n+2 | | 9-8n=3n+3+6 | | 11-d=8 | | -(3+6n)-7n=-94 | | 26.4m=79.2 | | 3x+2x^2=72 | | -2.863.98-0.8y=-2.86 | | (x+5)(x+2)-3(4x-3)=(5-x)² | | x-0.6=x-36 | | 7m-8=14 | | 72d-45+13=12-2 | | 4n-12=5 | | 4n=8-12 | | -4x-8x-15=-4x+4-15 | | 67739=x+0.07x | | C=a/a+12^A | | (x^2-x-6)/(x^2-8x+15)=0 | | 40-8x=6(4-4x) | | 4(w+5)=7w+47 | | 2x2=32x |