Factor completely x2 − 64. (x + 8)(x − 8) (x + 8)(x + 8) (x − 8)(x − 8) Prime
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The answer would most likely be:
× 
Because,
and the problem becomes: × 
← that gives you 
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The answer would most likely be:
Because,
Good luck on your assignment and enjoy your day!
~
bearing in mind that the sum of all interior angles in a polygon is
180(n - 2) n = number of sides in the polygon
a DECAgon, DECA=10, has 10 sides, and thus the sum of all its interior angles is 180(10 - 8) = 1440.