emily4767 emily4767

23-03-2020
Mathematics

contestada

4. What is the solution to the equation 2 ^ (x ^ 2 + 2x) = 2 ^ - 1

Respuesta :

ghanami ghanami

23-03-2020

Answer:

one solution : x = - 1

Step-by-step explanation:

hello :

2 ^ (x ^ 2 + 2x) = 2 ^ - 1 means : x²+2x=-1

x²+2x+1 = 0

(x+1)² = 0

one solution : x = - 1

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