Question

6×(-2)la puterea 1997-7×(-2)la puterea 1998-3×(-2)la puterea 1999+5×(-2)la puterea 1

Answer 1

6x(-2)¹⁹⁹⁷-7x(-2)¹⁹⁹⁸-3x(-2)¹⁹⁹⁹+5x(-2)¹=
(-2)¹⁹⁹⁷[6-7x(-2)¹-3x(-2)²]-10=
(-2)¹⁹⁹⁷(6+14-12)-10=
(-2)¹⁹⁹⁷x8-10=
(-2)¹⁹⁹⁷x2³-10=
-1¹⁹⁹⁷x2¹⁹⁹⁷x2³-10=
-1x2²⁰⁰⁰-10=
-2²⁰⁰⁰-2x5=
-2(2¹⁹⁹⁹+5)