Question

The solution to the equation
$7 {}^{1 + x} + 7 {}^{1 - x} = 50$
​

Answer 1

Answer:

Your correct answer is x=5

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Answer 2

Answer:--1 and +1

Step-by-step explanation:

7 ^ 1+x  +7^1-x =50

7^2x+7-50*7^x=0

so lets take 7^x=X

7x^2-50x+7=0

by solving we gey -1 and +1