Question

16 × 4^x+2-16 ×2^x+1+1 =0 find x​

Answer 1

Answer:

x = -4

Step-by-step explanation:

16 ⋅ 4x   2 − 16 ⋅ 2x   1   1 = = 16 2 ⋅ 4x − 2 ⋅ 16 ⋅ 2x   1 = = 16 2 ⋅ ( 2 x ) 2 − 32 ⋅ 2 x   1 = 0 Making y = 2 x 16 2 y 2 − 32 y   1 = 0 solving for y we have y = 1 16 = 2 x = 2 − 4 then x = − 4