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x2-16x+23.04=0
We add all the numbers together, and all the variables
x^2-16x+23.04=0
a = 1; b = -16; c = +23.04;
Δ = b2-4ac
Δ = -162-4·1·23.04
Δ = 163.84
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$x_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-16)-\sqrt{163.84}}{2*1}=\frac{16-\sqrt{163.84}}{2} $$x_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-16)+\sqrt{163.84}}{2*1}=\frac{16+\sqrt{163.84}}{2} $
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