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4-169Y^2+163.09=0
We add all the numbers together, and all the variables
-169Y^2+167.09=0
a = -169; b = 0; c = +167.09;
Δ = b2-4ac
Δ = 02-4·(-169)·167.09
Δ = 112952.84
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$Y_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$Y_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$Y_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-\sqrt{112952.84}}{2*-169}=\frac{0-\sqrt{112952.84}}{-338} =-\frac{\sqrt{}}{-338} $$Y_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+\sqrt{112952.84}}{2*-169}=\frac{0+\sqrt{112952.84}}{-338} =\frac{\sqrt{}}{-338} $
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