poorkid poorkid
  • 14-02-2020
  • Mathematics
contestada

find x

[tex]4 \times {5}^{x} = 25 \times {2}^{x} [/tex]
​

Respuesta :

ghanami
ghanami ghanami
  • 17-02-2020

Answer:

Step-by-step explanation:

hello : 4×5^x = 25×2^x    means : 5^x/2^x = 25/4

but : 5^x/2^x =(5/2)^x

       25/4 = (5/2)^2

so : (5/2)^x = (5/2)^2

x = 2

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