Question

please this question for me

Answer 1

(-7/8)^(2+x) = (-7/8)^3 ((-7/8)^2/3 ÷ (-7/8)^-1/3)
(-7/8)^(2+x) = (-7/8)^3 ((-7/8)^2/3 × (-7/8)^1/3)
(-7/8)^(2+x)= (-7/8)^3 (-7/8)^3/3
(-7/8)^(2+x) = (-7/8)^4
2+x=4
x=2

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Answer 2

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