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31f^2-37f=0
a = 31; b = -37; c = 0;
Δ = b2-4ac
Δ = -372-4·31·0
Δ = 1369
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$f_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$f_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{1369}=37$$f_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(-37)-37}{2*31}=\frac{0}{62} =0 $$f_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(-37)+37}{2*31}=\frac{74}{62} =1+6/31 $
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