If a = -2, what is the value of –(a^2 + a^3 + a^4 + a^5)? Options: A) 20 B) -4 C) 0 D) 4 E) 14
if a = -2, then putting values in equation   = -[ (-2)^2 + (-2)^3 + (-2^4) + (-2^5) ]   = -[ 4 - 8 + 16 - 32 ]   = 20   20nswer = 20 = 20
<result>A</result>
If a = -2, what is the value of –(a^2 + a^3 + a^4 + a^5)?