The task is to generate the correct answer for a given math problem.
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Question: Problem: find the value of x : 2 x ² − 4 .

Answer: - 2,2


Question: Problem: a diagonal of a polygon is an segment between two non - adjacent vertices of the polygon . how many diagonals does a regular 20 - sided polygon have ?

Answer: 170', 'c ) 1425', 'd ) 2025', 'e ) 2500'


Question: Problem: the sides of a cube are in the ratio of 1 : 2 the ratio of their volumes is ?

Answer:
1 : 8