Question

Identify the terms and like terms in the expression
- x - 9 x*2 + 12x*2 + 7

Answer 1

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.