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Pleaseeee how can I do it??
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1 vote
Pleaseeee
how can I do it??

Pleaseeee how can I do it??-example-1
User Ionut Hulub
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1 Answer

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7^x+49^{ (x)/(2) }=2\cdot \sqrt[5]{343} \\ \\ 7^x+(7^2)^{ (x)/(2) }=2\cdot \sqrt[5]{7^3} \\ \\7^x+ 7^x=2\cdot 7^{ (3)/(5) } \\\\ 2 \cdot 7^x=2\cdot 7^{ (3)/(5) } \ \ \ | /2 \\ \\ 7^x=7^{ (3)/(5) } \\ \\ x= (3)/(5)
User Sabaz
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