Question

2 la puterea 51 - 2 la puterea 50 - 2 la puterea 49 totul supra 8 la puterea 16 =31×x supra 992

Answer 1

(2^2 - 2 - 1) • 2^49 totul supra 2^48 = x supra 32

( 4 - 2 - 1) • 2 = x supra 32

1 • 2 = x supra 32

2 = x supra 32

64 = x

x = 64.

Answer 2

$\frac{2^{51}-2^{50}-2^{49}}{8}=\frac{31*x}{992}$