If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a^2-2a+6=-1
We move all terms to the left:
a^2-2a+6-(-1)=0
We add all the numbers together, and all the variables
a^2-2a+7=0
a = 1; b = -2; c = +7;
Δ = b2-4ac
Δ = -22-4·1·7
Δ = -24
Delta is less than zero, so there is no solution for the equation
| -28+9x=5x+4 | | -6y+14y=32-4y | | 2/3k=28/4/9 | | 2y/3+20/4=15 | | 6/7=30/x | | 7-5=x | | x/6-24=-5 | | (100x-2x^2)/2=0 | | 27a+36=8a-40 | | 72=9(y–3) | | x-4=-6x+18 | | –p+10=4p | | 9(y–3)= | | (2x-1)(6x+1(x+2)=156 | | 8x-8-7x=-23 | | (q-3)X5=15 | | $7w-9=13-4w$ | | 4x+2/3=34/3 | | -11v=-44 | | 12(z+10)=156 | | 9(3-y)=72 | | 0.8(x+0.7)+0.7x=0.2(x+0.8)-4.41 | | (y–3)9=72 | | 9(y–3)=72 | | -14=7x-5-4x | | m-1.34=11.8 | | 43=y3 | | 12(2t+8)=-8 | | .2/3z=41/4 | | 3/x=2/x−4 | | 4^(3x)=8^(x-1) | | r-16=-29 |