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Expand $\left(e^y+2\right)^2$
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$\left(e^{2y}+4e^y+4\right)e^{-y}=0$
Learn how to solve exponential equations problems step by step online. Solve the exponential equation (e^y+2)^2e^(-y)=0. Expand \left(e^y+2\right)^2. Break the equation in 2 factors and set each equal to zero, to obtain. Solve the equation (1). This equation e^y+2=0 has no solutions in the real plane.