Question

2 mũ x + 3 = 144

Answer 1

ta co:2^x+3=144

=>2^x=141

=>2^x=∅

Vay x=∅.

Answer 2

2^x + 3 = 144

2^x = 144 - 3

2^x = 141

=> 2^x = \(\varnothing\)

Vậy x \(\in\) \(\varnothing\)

Chúc bạn học tốt!!!

#BeMit

Answer 3

2\(^x\) + 3 = 144

2\(^x\) = 141

=> 2\(^x\) =

Vậy x