Look at this expression.

-3x6y4

x-3y-2

Which of the following is the simplest form of this expression?

Multiply x and 3

Multiply x and 1

The x just gets copied along.

The answer is x

x

3*x evaluates to 3x

Because of the minus sign

3x becomes - 3x

The answer is - 3x

Multiply y and 2

Multiply y and 1

The y just gets copied along.

The answer is y

y

2*y evaluates to 2y

-3*x-2*y evaluates to - 3x-2y

The answer is - 3x-2y-2

-3*x-2*y-2 evaluates to - 3x-2y-2

so the first one is right