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-210 is a negative, real, rational integer.
14, 15 14 x 15 = 210 Let x equal 1st integer, let (x + 1) = 2nd integer x(x + 1) = 210 x^2 + x = 210 distributive prop x^2 + x - 210 = 0 (x - 14)(x + 15) = 0 factor the trinomial x = 14 or -15, but -15 isn't positive so we eliminate that answer So x = 14 and (x + 1) = 15
No need; it is already rounded.
The least common multiple is 210.
It is: 210--630 = 840