Directions: Simplify each of the following expressions. Partial credit will be given if enough work is shown to indicate some understanding of the process. You are highly encouraged to show every step so that you can earn as many points as possible even if your final answers are not correct, and so that I can help you figure out what exactly you do not understand if you do not simplify an expression correctly.1. (3x-6) + 2xy + 4(x -3xy)-x2. 8+(-7x+4)-(3x + y)3. -(3x-5x + 7) + 4(-x-1)4. 3(x-6) + (-2+4x)-2x5. 3(xy)-5(x + y)-(- xy + x)