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0=28x^2+26
We move all terms to the left:
0-(28x^2+26)=0
We add all the numbers together, and all the variables
-(28x^2+26)=0
We get rid of parentheses
-28x^2-26=0
a = -28; b = 0; c = -26;
Δ = b2-4ac
Δ = 02-4·(-28)·(-26)
Δ = -2912
Delta is less than zero, so there is no solution for the equation
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