Question

number systems grade 9

139cb7f3559720d996d3a4bc0b5c5377.pdf

Answer 1

Answer:

x= - 4

Step-by-step explanation:

16*4^x+2-16*2^x+1

= 16^2*4^x-2*16*2^x+1

= 16^2*(2^x)^2 - 32 * 2^x +1=0

Making y=2^x

16^2*y^2- 32y+1=0

y= 1/16 = 2^x = 2^-4 then x  = -4

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