queen100 queen100

07-11-2017
Mathematics

contestada

identify the terms and like terms in the expression
- x - 9 x2 + 12x2 + 7

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altavistard altavistard

07-11-2017

Here's a list of the terms:
-x
-9x^2 Note: Please use " ^ " to denote exponentiation.
12x^2
7

-9x^2 and 12x^2 are the only "like" terms. Combining them produces 3x^2.

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