Question

The value of 'x' for which 2^x+4 - 2^x-1 = 3 holds, is:​

Answer 1

the value of x for which

$2 {x}^{2} + 4 - 2 {x}^{2} - 1 = 3 \\ 4 - 1 = 3 \\ x = 0$