H2+3h=30 - Solution

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h2+3h=30

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Solution for h2+3h=30 equation:

h2+3h=30 We move all terms to the left: h2+3h-(30)=0 We add all the numbers together, and all the variables h^2+3h-30=0 a = 1; b = 3; c = -30;Δ = b2-4acΔ = 32-4·1·(-30)Δ = 129The delta value is higher than zero, so the equation has two solutionsWe use following formulas to calculate our solutions:$h_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$h_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$h_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(3)-\sqrt{129}}{2*1}=\frac{-3-\sqrt{129}}{2} $ $h_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(3)+\sqrt{129}}{2*1}=\frac{-3+\sqrt{129}}{2} $

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