Solve the exponential equation 2^2x +2^x+1 -8​

can you tell me what the x= to because I can’t solve it like that if you give me what the x= to I tell you the answer

Step-by-step explanation:

2^x+4^x-7

Step-by-step explanation:

first, you divide the triangle in two, tô form a retangle triangle. after, using pythagoream theorem:

18^2 = 14^2 + (x/2)^2

(x^2/4) + 196 = 324

x^2/4 = 324 - 196

x^2/4 = 128

x^2 = 512

x = √512

x = √2^9

x = 16√2 cm

i hope i you.

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