mdejazulhaque1972
mdejazulhaque1972 mdejazulhaque1972
  • 17-10-2021
  • Mathematics
contestada

Question ❓:-
4^(x+2)+2^(2x+1)-36=0,x=?​

Respuesta :

mhanifa
mhanifa mhanifa
  • 17-10-2021

Answer:

  • x = 1/2

Step-by-step explanation:

  • [tex]4^{x+2}+2^{2x+1}-36=0[/tex]
  • [tex]16*4^x+2*2^{2x}-36=0[/tex]
  • [tex]16*4^x+2*4^x-36=0[/tex]
  • [tex]18*4^x = 36\\\\[/tex]
  • [tex]4^x=2\\\\[/tex]
  • [tex]2^{2x}=2^1\\[/tex]
  • [tex]2x=1\\[/tex]
  • [tex]x = 1/2[/tex]
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