Answer:
-36x+134xy
Step-by-step explanation:
-3x to the power of 2 is -9x
2x to the power of 2 is 4x
now you have -9x times 4x-3x^3y+5x^3y
3x to the power of 3y is 9xy
5x to the power of 3y is 125xy
now you have: -9x times 4x-9xy+125xy
which is: -36x+9xy+125xy
which is: -36x+134xy
