Question

solve this
find the value of k

Answer 1

$\huge\red{Answer\:is}$

x + 1 = 0
x = -1
Put it the equation we get
$( - 1) {}^{100} + 2( - 1) {}^{99} + k = 0 \\ 1 - 2 + k = 0 \\ - 1 + k = 0 \\ k = 1 \: \: \: \: answer$

$<marquee>Hope it helps$