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10 May, 16:49

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

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  1. 10 May, 17:02
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    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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