Question

solve it fast please question 2

Answer 1

hey, check the attachment please.

I hope it helps you

Answer 2

${25}^{x-1}+100={5}^{2x-1} \\\\ {5}^{2×(x-2)} +100 ={5}^{2x-1} \\\\ {5}^{2x}/25 +100 = {5}^{2x}/5 \\\\ {5}^{2x}/5 -{5}^{2x}/25 =100 \\\\ {5}^{2x+1}-{5}^{2x}=2500 \\\\ {5}^{2x}×4= 2500\\\\ {5}^{2x}=625 \\\\ {5}^{2x}={5}^{4}\\ 2x=4 \\\\ x=2$

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