49×7^x=(343)^(2x-5) find the value of x.
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Answer:
-1176490×2
Step-by-step explanation:
49×7x(343)(2x×−5)=
Multiply x and x to get x2.
49×7x2×343×2(−5)
Multiply 49 and 7 to get 343.
343x2×343×2(−5)
Multiply 343 and 343 to get 117649.
117649x2×2(−5)
Multiply 117649 and 2 to get 235298.
235298x2(−5)
Multiply 235298 and −5 to get −1176490.
−1176490x2
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