If it's not what You are looking for type in the equation solver your own equation and let us solve it.
7x*x=-1.8
We move all terms to the left:
7x*x-(-1.8)=0
We add all the numbers together, and all the variables
7x*x+1.8=0
Wy multiply elements
7x^2+1.8=0
a = 7; b = 0; c = +1.8;
Δ = b2-4ac
Δ = 02-4·7·1.8
Δ = -50.4
Delta is less than zero, so there is no solution for the equation
| 15.95/x=8 | | 23p+(8p+1)=5(4p-6)+10 | | 5x+35-(-7)=53 | | x+3.9=9.31 | | w-3.19=1.23 | | v+5.6=7.55 | | 82-y=164 | | 262-u=36 | | 269=-y+218 | | -90=-9(x+3) | | 9y+7=70 | | -5(w+1)=-20 | | 1x-0.30x=728 | | 2w+18=56 | | -(+38.4x)*2))-(1.5x-6(x=0 | | 4x2-7x-15=0 | | 25n/2=375/25 | | 3x+28-4=180 | | (5u+7)(8-u)=0 | | X/4=4/4x=52/4 | | 6-1|5x-9|=-16 | | 2x+11=-3(x-2) | | 5.25(m)=0.1m+1.25 | | C(m)=0.1m+1.25 | | -12=4(x-5( | | 180+30+x=360 | | (4/3)(3/4)=5x | | 4/3*3/4=5x | | 9u-37=7(u-3) | | -8(x-7)=7x+26 | | -9-44=7(x-4) | | -9(x+7)=-5x-23 |