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6x+1=81+x^2
We move all terms to the left:
6x+1-(81+x^2)=0
We get rid of parentheses
-x^2+6x-81+1=0
We add all the numbers together, and all the variables
-1x^2+6x-80=0
a = -1; b = 6; c = -80;
Δ = b2-4ac
Δ = 62-4·(-1)·(-80)
Δ = -284
Delta is less than zero, so there is no solution for the equation
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