stan12901 stan12901

04-11-2019
Mathematics

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9^2x÷27^3x-2 simplified to an equivalent expression

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nguyenminhnguyet82 nguyenminhnguyet82

04-11-2019

Answer:

[tex]3^{-5}[/tex]x - 2

Step-by-step explanation:

9^2x÷27^3x-2

= [tex]9^{2x}[/tex] : [tex]27^{3x}[/tex] - 2

= (9^2)^x : (27^3)^x - 2

= (9^2 : 27^3)^x - 2

= (3^4 : 3^9)x - 2

= [tex]3^{-5}[/tex]x - 2

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