Cari nilai x
x=\frac{\sqrt{81e^{2}+289-270e}+15e-45}{2\left(3e-7\right)}\approx 3,53591215
x=\frac{-\sqrt{81e^{2}+289-270e}+15e-45}{2\left(3e-7\right)}\approx -7,195079222
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