Find x in 4x × 642x = 16x+5

 Find x in 4^x × 64^2x = 16^x+5

A. 1

B. 5

C. 4

D. 2

ANS: D

EXPLANATION:

4^x × (4³)^2x = (4²) ^x+5

4^x × 4^6x = 4^2x+10

4^x+^6x = 4^2x+10

x + 6x = 2x+10

5x = 10

x=2

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