Question

( 3 , 7x - 2) ( 3 7x + 2) - (1, 3x - 1)(1,3 x + 1) =
= 6+(2x - 1)​

Answer 1

Это 37х или 3,7х?????????????????

Answer 2

(3,7х-2) • (3,7+2)-(1,3х-1)•(1,3х+1)=6+(2х-1)