Question

Simplify the following algebraic expression:

question number 1 is given on the picture please solve it if u don't know just don't answer and u may leave my question.​​ and also plz do it in a rough page!!​

Answer 1

Answer:

1. 3×(x-y-y-x)-{5y(3y+2X+3x (2x-5x)}
2. -6y-15y+10XY+-9X
3. 10xy-9x-21y