Question

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

Answer 1

• x = 1/2

Explanation:

• 
  `4^(x+2)+2^(2x+1)-36=0`
• 
  `16*4^x+2*2^(2x)-36=0`
• 
  `16*4^x+2*4^x-36=0`
• 
  `18*4^x = 36\\\\`
• 
  `4^x=2\\\\`
• 
  `2^(2x)=2^1\\`
• 
  `2x=1\\`
• 
  `x = 1/2`