Question

if 25^x-1=5^x-1-100
maths question
class 9
give answer in. detail

Answer 1

$25 {x}^{2} - 1 = 5 {x}^{2} - 1 - 100 \\ 25 {x}^{2} - 5 {x}^{2} = 1 - 1 - 100 \\ 20 {x}^{2} = - 100 \\ {x}^{2} = \frac{100}{20} \\ {x}^{2} = 5 \\ x = \sqrt{5}$
hope this will help you