Combine like terms for the following expressions:

2−3x−x−6

- 4 - 4x

Step-by-step explanation:

2 - 3x - x - 6

2 - 6 - 3x - x

- 4 - 4x

-TheUnknownScientist

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.