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196=b2
We move all terms to the left:
196-(b2)=0
We add all the numbers together, and all the variables
-1b^2+196=0
a = -1; b = 0; c = +196;
Δ = b2-4ac
Δ = 02-4·(-1)·196
Δ = 784
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$b_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$b_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{784}=28$$b_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-28}{2*-1}=\frac{-28}{-2} =+14 $$b_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+28}{2*-1}=\frac{28}{-2} =-14 $
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