Question

Find x if log7(2x2-1)=2



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Answer 1

Answer:

there is two way to do this question

Answer 2

Answer:

log7 (2x^2 - 1) =2

2x^2 -1 = 7^2

2x^2 = 50

x^2 = 25

x = 5 or x = -5

Explanation:

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