Question

solve:
2^(2x+1) - 33(2^x) +16 = 0

Answer 1

let \(y=2^x\) and substitute into your equation. you should end up with a quadratic in y. solve that, then find x.

Answer 2

0_o

Answer 3

remember that \(2^{2x+1}=2\times2^{2x}=2\times(2^x)^2\)

Answer 4

ah!

Answer 5

:)

Answer 6

thank you so much

Answer 7

yw :)

Answer 8

maths is amazing 0_o

Answer 9

it's good when you get those "aha!" moments! :D

Answer 10

:)