Question

By using a suitable substituition, solve 2^2x+1 +8 = 5(2^x+1) Letting y = 2^x and making a quadratic equation to solve for the unknowns.

Answer 1

Why dont you solve it by yourself?

Answer 2

cos i dont know if my answer is correct

Answer 3

whats your answer ?

Answer 4

and scared i made careless mistakes

Answer 5

Type here your solution step by step.

Answer 6

I will check it.

Answer 7

I am just not good at it :(

Answer 8

Let me look at a video tutorial first on youtube.

Answer 9

too bad i cant find it

Answer 10

anybody can explain to me?

Answer 11

Now can u solve it