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19k^2-7=2729
We move all terms to the left:
19k^2-7-(2729)=0
We add all the numbers together, and all the variables
19k^2-2736=0
a = 19; b = 0; c = -2736;
Δ = b2-4ac
Δ = 02-4·19·(-2736)
Δ = 207936
The delta value is higher than zero, so the equation has two solutions
We use following formulas to calculate our solutions:$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}$$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}$$\sqrt{\Delta}=\sqrt{207936}=456$$k_{1}=\frac{-b-\sqrt{\Delta}}{2a}=\frac{-(0)-456}{2*19}=\frac{-456}{38} =-12 $$k_{2}=\frac{-b+\sqrt{\Delta}}{2a}=\frac{-(0)+456}{2*19}=\frac{456}{38} =12 $
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