Question

-7- 2x² - 6 = −2x² + 1
First Step:
13- 2x² = 2x² + 1
What property is this

Answer 1

Answer:

Combine like terms, although the provided answer is missing a "-" sign in front of the "13."  

Step-by-step explanation:

Combine like terms.  The -7 and -6 can be added to produce -13.

The correct result is -13 - 2x^2 = -2x^2 + 1  [Not _13- 2x² = _2x² + 1

Perhpas the initial equation is written incorrectly(?)