Question

Solve:2^x-5.5^x-4=5(^this means power)

Answer 1

Step-by-step explanation:

$\huge\blue{\boxed{Answer:-}}</p><p>({2}^{x}-5)({5}^{x}-4)=5</p><p>=>{2}^{x}({5}^{x}-4)-5({5}^{x}-4)=5</p><p>=>{10}^{x}-{2}^{x}.4-5.{5}^{x}-20=5</p><p>=>{100}^{x}.-1(-20)=5</p><p>=>{100}^{x}=5/20</p><p>=>{100}^{x}-1/4=0$