If 5 sq 2x-1 - (25) sq x-1 = 2500
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Answer:
52x−1−25x−1=2500
552x−52(x−1)=2500
552x−2552x=2500
52x[51−251]=2500
52x[254]=2500
52x=42500×25
52x=15625
52x=56
2x=6
x=3
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