Question

calculati.....................

Answer 1

$15 \times ( - 1) {}^{2017} + 2018 \\ 15 \times (- 1) + 2018 \\( - 15) + 2018 \\ - 2003$

Answer 2

(-1)^2017  = -1 ; ⇒ 15x(-1)+2018 = -15+2018 = 2003 ;