Question

plzzzzzz plzzzzzz helpppppp ​

Answer 1

Answer:

0 is the answer

Step-by-step explanation:

Doesn't consider The roots of the number the actual answer is 0 because 30+20-50 is 0. So if u take cube roots of the number also the answer will be 0.

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Answer 2

Step-by-step explanation:

identity used a³+b³+c³ = 3abc if a+b+c = 0

here, a = 30, b = 20 and c = -50

therefore a+b+c = 30+20+(-50)

=> 30+20-50 = 50-50 = 0

so 30³+20³-50³ = 3×30×20×(-50)

=> 1800 × -50 => - 90000