Question

First to answer will be marked as the brainliest

Answer 1

Answer:

I don't know answer please mark me as brainiest

Answer 2

Step-by-step explanation:

the following identity will be used throughout the question

if x+y+z =0 then x^3+ y^3+ z^3= 3xyz

(I) here -25+15+10=0

so (-25)^3+10^3+15^3 = 3×10×15×-25=-1125

(ii) here 17-8-9=0

so 17^3+(-8)^3 +(-9)^3 = 3×17×-8×-9

=3672

HOPE IT HELPS SO PLEASE MARK ME BRAINLIEST AND FOLLOW ME