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[" If "20^((3-2x^(2)))=(40sqrt(5))^((3x^...

[" If "20^((3-2x^(2)))=(40sqrt(5))^((3x^(2)-2))," then "x=],[[" (A) "+-sqrt((13)/(12))," (B) "+-sqrt((12)/(13))," (C) "+-sqrt((4)/(5))," (D) "+-sqrt((5)/(4))]]

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